52.33% is the change from 407 to 620
Calculation steps:
[( 620 - 407 ) ÷ 407] x 100 = 52.33%
Formula
Percentage change = [(620 - 407) / 407] x 100
Subtract the new number by the original number
620 - 407 = 213
213 ÷ 407 = 0.5233415233415234
0.5233415233415234 x 100 = 52.33%