-7% is the change from 872 to 811
Calculation steps:
[( 811 - 872 ) ÷ 872] x 100 = -7%
Formula
Percentage change = [(811 - 872) / 872] x 100
Subtract the new number by the original number
811 - 872 = -61
-61 ÷ 872 = -0.06995412844036697
-0.06995412844036697 x 100 = -7%