62.4% is the change from 242 to 393
Calculation steps:
[( 393 - 242 ) ÷ 242] x 100 = 62.4%
Formula
Percentage change = [(393 - 242) / 242] x 100
Subtract the new number by the original number
393 - 242 = 151
151 ÷ 242 = 0.6239669421487604
0.6239669421487604 x 100 = 62.4%