77.62% is the change from 420 to 746
Calculation steps:
[( 746 - 420 ) ÷ 420] x 100 = 77.62%
Formula
Percentage change = [(746 - 420) / 420] x 100
Subtract the new number by the original number
746 - 420 = 326
326 ÷ 420 = 0.7761904761904762
0.7761904761904762 x 100 = 77.62%