-13.87% is the change from 952 to 820
Calculation steps:
[( 820 - 952 ) ÷ 952] x 100 = -13.87%
Formula
Percentage change = [(820 - 952) / 952] x 100
Subtract the new number by the original number
820 - 952 = -132
-132 ÷ 952 = -0.13865546218487396
-0.13865546218487396 x 100 = -13.87%