149.26% is the change from 203 to 506
Calculation steps:
[( 506 - 203 ) ÷ 203] x 100 = 149.26%
Formula
Percentage change = [(506 - 203) / 203] x 100
Subtract the new number by the original number
506 - 203 = 303
303 ÷ 203 = 1.4926108374384237
1.4926108374384237 x 100 = 149.26%