50.89% is the change from 281 to 424
Calculation steps:
[( 424 - 281 ) ÷ 281] x 100 = 50.89%
Formula
Percentage change = [(424 - 281) / 281] x 100
Subtract the new number by the original number
424 - 281 = 143
143 ÷ 281 = 0.5088967971530249
0.5088967971530249 x 100 = 50.89%