48.78% is the change from 82 to 122
Calculation steps:
[( 122 - 82 ) ÷ 82] x 100 = 48.78%
Formula
Percentage change = [(122 - 82) / 82] x 100
Subtract the new number by the original number
122 - 82 = 40
40 ÷ 82 = 0.4878048780487805
0.4878048780487805 x 100 = 48.78%