17.54% is the change from 285 to 335
Calculation steps:
[( 335 - 285 ) ÷ 285] x 100 = 17.54%
Formula
Percentage change = [(335 - 285) / 285] x 100
Subtract the new number by the original number
335 - 285 = 50
50 ÷ 285 = 0.17543859649122806
0.17543859649122806 x 100 = 17.54%