260.58% is the change from 137 to 494
Calculation steps:
[( 494 - 137 ) ÷ 137] x 100 = 260.58%
Formula
Percentage change = [(494 - 137) / 137] x 100
Subtract the new number by the original number
494 - 137 = 357
357 ÷ 137 = 2.605839416058394
2.605839416058394 x 100 = 260.58%