31.36% is the change from 456 to 599
Calculation steps:
[( 599 - 456 ) ÷ 456] x 100 = 31.36%
Formula
Percentage change = [(599 - 456) / 456] x 100
Subtract the new number by the original number
599 - 456 = 143
143 ÷ 456 = 0.31359649122807015
0.31359649122807015 x 100 = 31.36%