48.25% is the change from 628 to 931
Calculation steps:
[( 931 - 628 ) ÷ 628] x 100 = 48.25%
Formula
Percentage change = [(931 - 628) / 628] x 100
Subtract the new number by the original number
931 - 628 = 303
303 ÷ 628 = 0.482484076433121
0.482484076433121 x 100 = 48.25%