-14.42% is the change from 950 to 813
Calculation steps:
[( 813 - 950 ) ÷ 950] x 100 = -14.42%
Formula
Percentage change = [(813 - 950) / 950] x 100
Subtract the new number by the original number
813 - 950 = -137
-137 ÷ 950 = -0.14421052631578948
-0.14421052631578948 x 100 = -14.42%