-13.37% is the change from 950 to 823
Calculation steps:
[( 823 - 950 ) ÷ 950] x 100 = -13.37%
Formula
Percentage change = [(823 - 950) / 950] x 100
Subtract the new number by the original number
823 - 950 = -127
-127 ÷ 950 = -0.1336842105263158
-0.1336842105263158 x 100 = -13.37%