75.71% is the change from 420 to 738
Calculation steps:
[( 738 - 420 ) ÷ 420] x 100 = 75.71%
Formula
Percentage change = [(738 - 420) / 420] x 100
Subtract the new number by the original number
738 - 420 = 318
318 ÷ 420 = 0.7571428571428571
0.7571428571428571 x 100 = 75.71%