300% is the change from 131 to 524
Calculation steps:
[( 524 - 131 ) ÷ 131] x 100 = 300%
Formula
Percentage change = [(524 - 131) / 131] x 100
Subtract the new number by the original number
524 - 131 = 393
393 ÷ 131 = 3
3 x 100 = 300%
Example