-93.91% is the change from 936 to 57
Calculation steps:
[( 57 - 936 ) ÷ 936] x 100 = -93.91%
Formula
Percentage change = [(57 - 936) / 936] x 100
Subtract the new number by the original number
57 - 936 = -879
-879 ÷ 936 = -0.9391025641025641
-0.9391025641025641 x 100 = -93.91%