64.91% is the change from 285 to 470
Calculation steps:
[( 470 - 285 ) ÷ 285] x 100 = 64.91%
Formula
Percentage change = [(470 - 285) / 285] x 100
Subtract the new number by the original number
470 - 285 = 185
185 ÷ 285 = 0.6491228070175439
0.6491228070175439 x 100 = 64.91%