-20.07% is the change from 897 to 717
Calculation steps:
[( 717 - 897 ) ÷ 897] x 100 = -20.07%
Formula
Percentage change = [(717 - 897) / 897] x 100
Subtract the new number by the original number
717 - 897 = -180
-180 ÷ 897 = -0.20066889632107024
-0.20066889632107024 x 100 = -20.07%