41.82% is the change from 318 to 451
Calculation steps:
[( 451 - 318 ) ÷ 318] x 100 = 41.82%
Formula
Percentage change = [(451 - 318) / 318] x 100
Subtract the new number by the original number
451 - 318 = 133
133 ÷ 318 = 0.41823899371069184
0.41823899371069184 x 100 = 41.82%