121.82% is the change from 55 to 122
Calculation steps:
[( 122 - 55 ) ÷ 55] x 100 = 121.82%
Formula
Percentage change = [(122 - 55) / 55] x 100
Subtract the new number by the original number
122 - 55 = 67
67 ÷ 55 = 1.2181818181818183
1.2181818181818183 x 100 = 121.82%