52.71% is the change from 406 to 620
Calculation steps:
[( 620 - 406 ) ÷ 406] x 100 = 52.71%
Formula
Percentage change = [(620 - 406) / 406] x 100
Subtract the new number by the original number
620 - 406 = 214
214 ÷ 406 = 0.5270935960591133
0.5270935960591133 x 100 = 52.71%