305.34% is the change from 131 to 531
Calculation steps:
[( 531 - 131 ) ÷ 131] x 100 = 305.34%
Formula
Percentage change = [(531 - 131) / 131] x 100
Subtract the new number by the original number
531 - 131 = 400
400 ÷ 131 = 3.053435114503817
3.053435114503817 x 100 = 305.34%