100% is the change from 61 to 122
Calculation steps:
[( 122 - 61 ) ÷ 61] x 100 = 100%
Formula
Percentage change = [(122 - 61) / 61] x 100
Subtract the new number by the original number
122 - 61 = 61
61 ÷ 61 = 1
1 x 100 = 100%
Example