20.28% is the change from 281 to 338
Calculation steps:
[( 338 - 281 ) ÷ 281] x 100 = 20.28%
Formula
Percentage change = [(338 - 281) / 281] x 100
Subtract the new number by the original number
338 - 281 = 57
57 ÷ 281 = 0.20284697508896798
0.20284697508896798 x 100 = 20.28%