-28.69% is the change from 122 to 87
Calculation steps:
[( 87 - 122 ) ÷ 122] x 100 = -28.69%
Formula
Percentage change = [(87 - 122) / 122] x 100
Subtract the new number by the original number
87 - 122 = -35
-35 ÷ 122 = -0.28688524590163933
-0.28688524590163933 x 100 = -28.69%