70.88% is the change from 285 to 487
Calculation steps:
[( 487 - 285 ) ÷ 285] x 100 = 70.88%
Formula
Percentage change = [(487 - 285) / 285] x 100
Subtract the new number by the original number
487 - 285 = 202
202 ÷ 285 = 0.7087719298245614
0.7087719298245614 x 100 = 70.88%