275.56% is the change from 135 to 507
Calculation steps:
[( 507 - 135 ) ÷ 135] x 100 = 275.56%
Formula
Percentage change = [(507 - 135) / 135] x 100
Subtract the new number by the original number
507 - 135 = 372
372 ÷ 135 = 2.7555555555555555
2.7555555555555555 x 100 = 275.56%