42.14% is the change from 318 to 452
Calculation steps:
[( 452 - 318 ) ÷ 318] x 100 = 42.14%
Formula
Percentage change = [(452 - 318) / 318] x 100
Subtract the new number by the original number
452 - 318 = 134
134 ÷ 318 = 0.42138364779874216
0.42138364779874216 x 100 = 42.14%