-88.78% is the change from 633 to 71
Calculation steps:
[( 71 - 633 ) ÷ 633] x 100 = -88.78%
Formula
Percentage change = [(71 - 633) / 633] x 100
Subtract the new number by the original number
71 - 633 = -562
-562 ÷ 633 = -0.8878357030015798
-0.8878357030015798 x 100 = -88.78%