72.86% is the change from 420 to 726
Calculation steps:
[( 726 - 420 ) ÷ 420] x 100 = 72.86%
Formula
Percentage change = [(726 - 420) / 420] x 100
Subtract the new number by the original number
726 - 420 = 306
306 ÷ 420 = 0.7285714285714285
0.7285714285714285 x 100 = 72.86%