71.93% is the change from 285 to 490
Calculation steps:
[( 490 - 285 ) ÷ 285] x 100 = 71.93%
Formula
Percentage change = [(490 - 285) / 285] x 100
Subtract the new number by the original number
490 - 285 = 205
205 ÷ 285 = 0.7192982456140351
0.7192982456140351 x 100 = 71.93%