98.43% is the change from 318 to 631
Calculation steps:
[( 631 - 318 ) ÷ 318] x 100 = 98.43%
Formula
Percentage change = [(631 - 318) / 318] x 100
Subtract the new number by the original number
631 - 318 = 313
313 ÷ 318 = 0.9842767295597484
0.9842767295597484 x 100 = 98.43%