-12.11% is the change from 933 to 820
Calculation steps:
[( 820 - 933 ) ÷ 933] x 100 = -12.11%
Formula
Percentage change = [(820 - 933) / 933] x 100
Subtract the new number by the original number
820 - 933 = -113
-113 ÷ 933 = -0.12111468381564845
-0.12111468381564845 x 100 = -12.11%