17.19% is the change from 285 to 334
Calculation steps:
[( 334 - 285 ) ÷ 285] x 100 = 17.19%
Formula
Percentage change = [(334 - 285) / 285] x 100
Subtract the new number by the original number
334 - 285 = 49
49 ÷ 285 = 0.17192982456140352
0.17192982456140352 x 100 = 17.19%