48.23% is the change from 620 to 919
Calculation steps:
[( 919 - 620 ) ÷ 620] x 100 = 48.23%
Formula
Percentage change = [(919 - 620) / 620] x 100
Subtract the new number by the original number
919 - 620 = 299
299 ÷ 620 = 0.482258064516129
0.482258064516129 x 100 = 48.23%