-15.38% is the change from 969 to 820
Calculation steps:
[( 820 - 969 ) ÷ 969] x 100 = -15.38%
Formula
Percentage change = [(820 - 969) / 969] x 100
Subtract the new number by the original number
820 - 969 = -149
-149 ÷ 969 = -0.15376676986584106
-0.15376676986584106 x 100 = -15.38%