31.04% is the change from 335 to 439
Calculation steps:
[( 439 - 335 ) ÷ 335] x 100 = 31.04%
Formula
Percentage change = [(439 - 335) / 335] x 100
Subtract the new number by the original number
439 - 335 = 104
104 ÷ 335 = 0.31044776119402984
0.31044776119402984 x 100 = 31.04%