260.29% is the change from 136 to 490
Calculation steps:
[( 490 - 136 ) ÷ 136] x 100 = 260.29%
Formula
Percentage change = [(490 - 136) / 136] x 100
Subtract the new number by the original number
490 - 136 = 354
354 ÷ 136 = 2.6029411764705883
2.6029411764705883 x 100 = 260.29%