70.45% is the change from 423 to 721
Calculation steps:
[( 721 - 423 ) ÷ 423] x 100 = 70.45%
Formula
Percentage change = [(721 - 423) / 423] x 100
Subtract the new number by the original number
721 - 423 = 298
298 ÷ 423 = 0.7044917257683215
0.7044917257683215 x 100 = 70.45%