-36.13% is the change from 191 to 122
Calculation steps:
[( 122 - 191 ) ÷ 191] x 100 = -36.13%
Formula
Percentage change = [(122 - 191) / 191] x 100
Subtract the new number by the original number
122 - 191 = -69
-69 ÷ 191 = -0.3612565445026178
-0.3612565445026178 x 100 = -36.13%