52.52% is the change from 139 to 212
Calculation steps:
[( 212 - 139 ) ÷ 139] x 100 = 52.52%
Formula
Percentage change = [(212 - 139) / 139] x 100
Subtract the new number by the original number
212 - 139 = 73
73 ÷ 139 = 0.5251798561151079
0.5251798561151079 x 100 = 52.52%