273.33% is the change from 135 to 504
Calculation steps:
[( 504 - 135 ) ÷ 135] x 100 = 273.33%
Formula
Percentage change = [(504 - 135) / 135] x 100
Subtract the new number by the original number
504 - 135 = 369
369 ÷ 135 = 2.7333333333333334
2.7333333333333334 x 100 = 273.33%