43.88% is the change from 294 to 423
Calculation steps:
[( 423 - 294 ) ÷ 294] x 100 = 43.88%
Formula
Percentage change = [(423 - 294) / 294] x 100
Subtract the new number by the original number
423 - 294 = 129
129 ÷ 294 = 0.4387755102040816
0.4387755102040816 x 100 = 43.88%