-24.2% is the change from 872 to 661
Calculation steps:
[( 661 - 872 ) ÷ 872] x 100 = -24.2%
Formula
Percentage change = [(661 - 872) / 872] x 100
Subtract the new number by the original number
661 - 872 = -211
-211 ÷ 872 = -0.24197247706422018
-0.24197247706422018 x 100 = -24.2%