46.77% is the change from 620 to 910
Calculation steps:
[( 910 - 620 ) ÷ 620] x 100 = 46.77%
Formula
Percentage change = [(910 - 620) / 620] x 100
Subtract the new number by the original number
910 - 620 = 290
290 ÷ 620 = 0.46774193548387094
0.46774193548387094 x 100 = 46.77%