150.25% is the change from 203 to 508
Calculation steps:
[( 508 - 203 ) ÷ 203] x 100 = 150.25%
Formula
Percentage change = [(508 - 203) / 203] x 100
Subtract the new number by the original number
508 - 203 = 305
305 ÷ 203 = 1.5024630541871922
1.5024630541871922 x 100 = 150.25%