265.47% is the change from 139 to 508
Calculation steps:
[( 508 - 139 ) ÷ 139] x 100 = 265.47%
Formula
Percentage change = [(508 - 139) / 139] x 100
Subtract the new number by the original number
508 - 139 = 369
369 ÷ 139 = 2.6546762589928057
2.6546762589928057 x 100 = 265.47%