-91% is the change from 633 to 57
Calculation steps:
[( 57 - 633 ) ÷ 633] x 100 = -91%
Formula
Percentage change = [(57 - 633) / 633] x 100
Subtract the new number by the original number
57 - 633 = -576
-576 ÷ 633 = -0.909952606635071
-0.909952606635071 x 100 = -91%