-89.56% is the change from 632 to 66
Calculation steps:
[( 66 - 632 ) ÷ 632] x 100 = -89.56%
Formula
Percentage change = [(66 - 632) / 632] x 100
Subtract the new number by the original number
66 - 632 = -566
-566 ÷ 632 = -0.8955696202531646
-0.8955696202531646 x 100 = -89.56%