97.84% is the change from 139 to 275
Calculation steps:
[( 275 - 139 ) ÷ 139] x 100 = 97.84%
Formula
Percentage change = [(275 - 139) / 139] x 100
Subtract the new number by the original number
275 - 139 = 136
136 ÷ 139 = 0.9784172661870504
0.9784172661870504 x 100 = 97.84%