76.43% is the change from 420 to 741
Calculation steps:
[( 741 - 420 ) ÷ 420] x 100 = 76.43%
Formula
Percentage change = [(741 - 420) / 420] x 100
Subtract the new number by the original number
741 - 420 = 321
321 ÷ 420 = 0.7642857142857142
0.7642857142857142 x 100 = 76.43%