-85.76% is the change from 632 to 90
Calculation steps:
[( 90 - 632 ) ÷ 632] x 100 = -85.76%
Formula
Percentage change = [(90 - 632) / 632] x 100
Subtract the new number by the original number
90 - 632 = -542
-542 ÷ 632 = -0.8575949367088608
-0.8575949367088608 x 100 = -85.76%