247.59% is the change from 145 to 504
Calculation steps:
[( 504 - 145 ) ÷ 145] x 100 = 247.59%
Formula
Percentage change = [(504 - 145) / 145] x 100
Subtract the new number by the original number
504 - 145 = 359
359 ÷ 145 = 2.475862068965517
2.475862068965517 x 100 = 247.59%