272.66% is the change from 139 to 518
Calculation steps:
[( 518 - 139 ) ÷ 139] x 100 = 272.66%
Formula
Percentage change = [(518 - 139) / 139] x 100
Subtract the new number by the original number
518 - 139 = 379
379 ÷ 139 = 2.726618705035971
2.726618705035971 x 100 = 272.66%