52.72% is the change from 423 to 646
Calculation steps:
[( 646 - 423 ) ÷ 423] x 100 = 52.72%
Formula
Percentage change = [(646 - 423) / 423] x 100
Subtract the new number by the original number
646 - 423 = 223
223 ÷ 423 = 0.5271867612293144
0.5271867612293144 x 100 = 52.72%