-17.21% is the change from 122 to 101
Calculation steps:
[( 101 - 122 ) ÷ 122] x 100 = -17.21%
Formula
Percentage change = [(101 - 122) / 122] x 100
Subtract the new number by the original number
101 - 122 = -21
-21 ÷ 122 = -0.1721311475409836
-0.1721311475409836 x 100 = -17.21%