49.64% is the change from 139 to 208
Calculation steps:
[( 208 - 139 ) ÷ 139] x 100 = 49.64%
Formula
Percentage change = [(208 - 139) / 139] x 100
Subtract the new number by the original number
208 - 139 = 69
69 ÷ 139 = 0.49640287769784175
0.49640287769784175 x 100 = 49.64%