281.82% is the change from 11 to 42
Calculation steps:
[( 42 - 11 ) ÷ 11] x 100 = 281.82%
Formula
Percentage change = [(42 - 11) / 11] x 100
Subtract the new number by the original number
42 - 11 = 31
31 ÷ 11 = 2.8181818181818183
2.8181818181818183 x 100 = 281.82%