39.94% is the change from 313 to 438
Calculation steps:
[( 438 - 313 ) ÷ 313] x 100 = 39.94%
Formula
Percentage change = [(438 - 313) / 313] x 100
Subtract the new number by the original number
438 - 313 = 125
125 ÷ 313 = 0.3993610223642173
0.3993610223642173 x 100 = 39.94%