-9.42% is the change from 913 to 827
Calculation steps:
[( 827 - 913 ) ÷ 913] x 100 = -9.42%
Formula
Percentage change = [(827 - 913) / 913] x 100
Subtract the new number by the original number
827 - 913 = -86
-86 ÷ 913 = -0.09419496166484119
-0.09419496166484119 x 100 = -9.42%