49.63% is the change from 403 to 603
Calculation steps:
[( 603 - 403 ) ÷ 403] x 100 = 49.63%
Formula
Percentage change = [(603 - 403) / 403] x 100
Subtract the new number by the original number
603 - 403 = 200
200 ÷ 403 = 0.49627791563275436
0.49627791563275436 x 100 = 49.63%