122.22% is the change from 126 to 280
Calculation steps:
[( 280 - 126 ) ÷ 126] x 100 = 122.22%
Formula
Percentage change = [(280 - 126) / 126] x 100
Subtract the new number by the original number
280 - 126 = 154
154 ÷ 126 = 1.2222222222222223
1.2222222222222223 x 100 = 122.22%