46.81% is the change from 423 to 621
Calculation steps:
[( 621 - 423 ) ÷ 423] x 100 = 46.81%
Formula
Percentage change = [(621 - 423) / 423] x 100
Subtract the new number by the original number
621 - 423 = 198
198 ÷ 423 = 0.46808510638297873
0.46808510638297873 x 100 = 46.81%