-90.01% is the change from 721 to 72
Calculation steps:
[( 72 - 721 ) ÷ 721] x 100 = -90.01%
Formula
Percentage change = [(72 - 721) / 721] x 100
Subtract the new number by the original number
72 - 721 = -649
-649 ÷ 721 = -0.9001386962552012
-0.9001386962552012 x 100 = -90.01%