46.61% is the change from 620 to 909
Calculation steps:
[( 909 - 620 ) ÷ 620] x 100 = 46.61%
Formula
Percentage change = [(909 - 620) / 620] x 100
Subtract the new number by the original number
909 - 620 = 289
289 ÷ 620 = 0.4661290322580645
0.4661290322580645 x 100 = 46.61%