109.35% is the change from 139 to 291
Calculation steps:
[( 291 - 139 ) ÷ 139] x 100 = 109.35%
Formula
Percentage change = [(291 - 139) / 139] x 100
Subtract the new number by the original number
291 - 139 = 152
152 ÷ 139 = 1.0935251798561152
1.0935251798561152 x 100 = 109.35%