30.26% is the change from 456 to 594
Calculation steps:
[( 594 - 456 ) ÷ 456] x 100 = 30.26%
Formula
Percentage change = [(594 - 456) / 456] x 100
Subtract the new number by the original number
594 - 456 = 138
138 ÷ 456 = 0.3026315789473684
0.3026315789473684 x 100 = 30.26%