-79.59% is the change from 936 to 191
Calculation steps:
[( 191 - 936 ) ÷ 936] x 100 = -79.59%
Formula
Percentage change = [(191 - 936) / 936] x 100
Subtract the new number by the original number
191 - 936 = -745
-745 ÷ 936 = -0.7959401709401709
-0.7959401709401709 x 100 = -79.59%