-13.68% is the change from 936 to 808
Calculation steps:
[( 808 - 936 ) ÷ 936] x 100 = -13.68%
Formula
Percentage change = [(808 - 936) / 936] x 100
Subtract the new number by the original number
808 - 936 = -128
-128 ÷ 936 = -0.13675213675213677
-0.13675213675213677 x 100 = -13.68%