Cycle analytics: deltas between cycles
#### Description We should display the deltas between cycles. #### Specification * Delta: difference between the previous cycle and the current one (whatever is selected in the date picker). * Deltas are expressed in human readable format, like "-4 days" or "+4 hours" Instead of the little triangle we should just call it `Change` and in the ? specify that it's vs the previous period of the same time ![staging](/uploads/6d11248bf9074219be4bfcb4d08a0aef/staging.png)
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