105.54% is the change from 307 to 631
Calculation steps:
[( 631 - 307 ) ÷ 307] x 100 = 105.54%
Formula
Percentage change = [(631 - 307) / 307] x 100
Subtract the new number by the original number
631 - 307 = 324
324 ÷ 307 = 1.0553745928338762
1.0553745928338762 x 100 = 105.54%