-18.03% is the change from 122 to 100
Calculation steps:
[( 100 - 122 ) ÷ 122] x 100 = -18.03%
Formula
Percentage change = [(100 - 122) / 122] x 100
Subtract the new number by the original number
100 - 122 = -22
-22 ÷ 122 = -0.18032786885245902
-0.18032786885245902 x 100 = -18.03%