246.21% is the change from 145 to 502
Calculation steps:
[( 502 - 145 ) ÷ 145] x 100 = 246.21%
Formula
Percentage change = [(502 - 145) / 145] x 100
Subtract the new number by the original number
502 - 145 = 357
357 ÷ 145 = 2.462068965517241
2.462068965517241 x 100 = 246.21%