-88.77% is the change from 641 to 72
Calculation steps:
[( 72 - 641 ) ÷ 641] x 100 = -88.77%
Formula
Percentage change = [(72 - 641) / 641] x 100
Subtract the new number by the original number
72 - 641 = -569
-569 ÷ 641 = -0.8876755070202809
-0.8876755070202809 x 100 = -88.77%