-91.77% is the change from 936 to 77
Calculation steps:
[( 77 - 936 ) ÷ 936] x 100 = -91.77%
Formula
Percentage change = [(77 - 936) / 936] x 100
Subtract the new number by the original number
77 - 936 = -859
-859 ÷ 936 = -0.9177350427350427
-0.9177350427350427 x 100 = -91.77%