48.07% is the change from 285 to 422
Calculation steps:
[( 422 - 285 ) ÷ 285] x 100 = 48.07%
Formula
Percentage change = [(422 - 285) / 285] x 100
Subtract the new number by the original number
422 - 285 = 137
137 ÷ 285 = 0.4807017543859649
0.4807017543859649 x 100 = 48.07%