55.09% is the change from 285 to 442
Calculation steps:
[( 442 - 285 ) ÷ 285] x 100 = 55.09%
Formula
Percentage change = [(442 - 285) / 285] x 100
Subtract the new number by the original number
442 - 285 = 157
157 ÷ 285 = 0.5508771929824562
0.5508771929824562 x 100 = 55.09%