69.51% is the change from 82 to 139
Calculation steps:
[( 139 - 82 ) ÷ 82] x 100 = 69.51%
Formula
Percentage change = [(139 - 82) / 82] x 100
Subtract the new number by the original number
139 - 82 = 57
57 ÷ 82 = 0.6951219512195121
0.6951219512195121 x 100 = 69.51%