-10.95% is the change from 913 to 813
Calculation steps:
[( 813 - 913 ) ÷ 913] x 100 = -10.95%
Formula
Percentage change = [(813 - 913) / 913] x 100
Subtract the new number by the original number
813 - 913 = -100
-100 ÷ 913 = -0.10952902519167579
-0.10952902519167579 x 100 = -10.95%