290.44% is the change from 136 to 531
Calculation steps:
[( 531 - 136 ) ÷ 136] x 100 = 290.44%
Formula
Percentage change = [(531 - 136) / 136] x 100
Subtract the new number by the original number
531 - 136 = 395
395 ÷ 136 = 2.9044117647058822
2.9044117647058822 x 100 = 290.44%