25.56% is the change from 403 to 506
Calculation steps:
[( 506 - 403 ) ÷ 403] x 100 = 25.56%
Formula
Percentage change = [(506 - 403) / 403] x 100
Subtract the new number by the original number
506 - 403 = 103
103 ÷ 403 = 0.2555831265508685
0.2555831265508685 x 100 = 25.56%