47.54% is the change from 631 to 931
Calculation steps:
[( 931 - 631 ) ÷ 631] x 100 = 47.54%
Formula
Percentage change = [(931 - 631) / 631] x 100
Subtract the new number by the original number
931 - 631 = 300
300 ÷ 631 = 0.4754358161648177
0.4754358161648177 x 100 = 47.54%