-35.66% is the change from 617 to 397
Calculation steps:
[( 397 - 617 ) ÷ 617] x 100 = -35.66%
Formula
Percentage change = [(397 - 617) / 617] x 100
Subtract the new number by the original number
397 - 617 = -220
-220 ÷ 617 = -0.3565640194489465
-0.3565640194489465 x 100 = -35.66%