76.25% is the change from 240 to 423
Calculation steps:
[( 423 - 240 ) ÷ 240] x 100 = 76.25%
Formula
Percentage change = [(423 - 240) / 240] x 100
Subtract the new number by the original number
423 - 240 = 183
183 ÷ 240 = 0.7625
0.7625 x 100 = 76.25%