-88.64% is the change from 634 to 72
Calculation steps:
[( 72 - 634 ) ÷ 634] x 100 = -88.64%
Formula
Percentage change = [(72 - 634) / 634] x 100
Subtract the new number by the original number
72 - 634 = -562
-562 ÷ 634 = -0.886435331230284
-0.886435331230284 x 100 = -88.64%