282.73% is the change from 110 to 421
Calculation steps:
[( 421 - 110 ) ÷ 110] x 100 = 282.73%
Formula
Percentage change = [(421 - 110) / 110] x 100
Subtract the new number by the original number
421 - 110 = 311
311 ÷ 110 = 2.827272727272727
2.827272727272727 x 100 = 282.73%