-86.01% is the change from 872 to 122
Calculation steps:
[( 122 - 872 ) ÷ 872] x 100 = -86.01%
Formula
Percentage change = [(122 - 872) / 872] x 100
Subtract the new number by the original number
122 - 872 = -750
-750 ÷ 872 = -0.8600917431192661
-0.8600917431192661 x 100 = -86.01%