20.79% is the change from 101 to 122
Calculation steps:
[( 122 - 101 ) ÷ 101] x 100 = 20.79%
Formula
Percentage change = [(122 - 101) / 101] x 100
Subtract the new number by the original number
122 - 101 = 21
21 ÷ 101 = 0.2079207920792079
0.2079207920792079 x 100 = 20.79%