30.75% is the change from 335 to 438
Calculation steps:
[( 438 - 335 ) ÷ 335] x 100 = 30.75%
Formula
Percentage change = [(438 - 335) / 335] x 100
Subtract the new number by the original number
438 - 335 = 103
103 ÷ 335 = 0.3074626865671642
0.3074626865671642 x 100 = 30.75%