-12.97% is the change from 933 to 812
Calculation steps:
[( 812 - 933 ) ÷ 933] x 100 = -12.97%
Formula
Percentage change = [(812 - 933) / 933] x 100
Subtract the new number by the original number
812 - 933 = -121
-121 ÷ 933 = -0.12968917470525188
-0.12968917470525188 x 100 = -12.97%