221.13% is the change from 142 to 456
Calculation steps:
[( 456 - 142 ) ÷ 142] x 100 = 221.13%
Formula
Percentage change = [(456 - 142) / 142] x 100
Subtract the new number by the original number
456 - 142 = 314
314 ÷ 142 = 2.211267605633803
2.211267605633803 x 100 = 221.13%