45.36% is the change from 291 to 423
Calculation steps:
[( 423 - 291 ) ÷ 291] x 100 = 45.36%
Formula
Percentage change = [(423 - 291) / 291] x 100
Subtract the new number by the original number
423 - 291 = 132
132 ÷ 291 = 0.4536082474226804
0.4536082474226804 x 100 = 45.36%