30.92% is the change from 456 to 597
Calculation steps:
[( 597 - 456 ) ÷ 456] x 100 = 30.92%
Formula
Percentage change = [(597 - 456) / 456] x 100
Subtract the new number by the original number
597 - 456 = 141
141 ÷ 456 = 0.3092105263157895
0.3092105263157895 x 100 = 30.92%