-11.5% is the change from 913 to 808
Calculation steps:
[( 808 - 913 ) ÷ 913] x 100 = -11.5%
Formula
Percentage change = [(808 - 913) / 913] x 100
Subtract the new number by the original number
808 - 913 = -105
-105 ÷ 913 = -0.11500547645125958
-0.11500547645125958 x 100 = -11.5%