31.8% is the change from 456 to 601
Calculation steps:
[( 601 - 456 ) ÷ 456] x 100 = 31.8%
Formula
Percentage change = [(601 - 456) / 456] x 100
Subtract the new number by the original number
601 - 456 = 145
145 ÷ 456 = 0.31798245614035087
0.31798245614035087 x 100 = 31.8%