-11.61% is the change from 922 to 815
Calculation steps:
[( 815 - 922 ) ÷ 922] x 100 = -11.61%
Formula
Percentage change = [(815 - 922) / 922] x 100
Subtract the new number by the original number
815 - 922 = -107
-107 ÷ 922 = -0.11605206073752712
-0.11605206073752712 x 100 = -11.61%