50.18% is the change from 281 to 422
Calculation steps:
[( 422 - 281 ) ÷ 281] x 100 = 50.18%
Formula
Percentage change = [(422 - 281) / 281] x 100
Subtract the new number by the original number
422 - 281 = 141
141 ÷ 281 = 0.501779359430605
0.501779359430605 x 100 = 50.18%