66.32% is the change from 285 to 474
Calculation steps:
[( 474 - 285 ) ÷ 285] x 100 = 66.32%
Formula
Percentage change = [(474 - 285) / 285] x 100
Subtract the new number by the original number
474 - 285 = 189
189 ÷ 285 = 0.6631578947368421
0.6631578947368421 x 100 = 66.32%