25.25% is the change from 408 to 511
Calculation steps:
[( 511 - 408 ) ÷ 408] x 100 = 25.25%
Formula
Percentage change = [(511 - 408) / 408] x 100
Subtract the new number by the original number
511 - 408 = 103
103 ÷ 408 = 0.25245098039215685
0.25245098039215685 x 100 = 25.25%