-88.39% is the change from 629 to 73
Calculation steps:
[( 73 - 629 ) ÷ 629] x 100 = -88.39%
Formula
Percentage change = [(73 - 629) / 629] x 100
Subtract the new number by the original number
73 - 629 = -556
-556 ÷ 629 = -0.8839427662957074
-0.8839427662957074 x 100 = -88.39%