61.07% is the change from 447 to 720
Calculation steps:
[( 720 - 447 ) ÷ 447] x 100 = 61.07%
Formula
Percentage change = [(720 - 447) / 447] x 100
Subtract the new number by the original number
720 - 447 = 273
273 ÷ 447 = 0.610738255033557
0.610738255033557 x 100 = 61.07%