46.57% is the change from 423 to 620
Calculation steps:
[( 620 - 423 ) ÷ 423] x 100 = 46.57%
Formula
Percentage change = [(620 - 423) / 423] x 100
Subtract the new number by the original number
620 - 423 = 197
197 ÷ 423 = 0.4657210401891253
0.4657210401891253 x 100 = 46.57%