55.1% is the change from 294 to 456
Calculation steps:
[( 456 - 294 ) ÷ 294] x 100 = 55.1%
Formula
Percentage change = [(456 - 294) / 294] x 100
Subtract the new number by the original number
456 - 294 = 162
162 ÷ 294 = 0.5510204081632653
0.5510204081632653 x 100 = 55.1%