98.11% is the change from 318 to 630
Calculation steps:
[( 630 - 318 ) ÷ 318] x 100 = 98.11%
Formula
Percentage change = [(630 - 318) / 318] x 100
Subtract the new number by the original number
630 - 318 = 312
312 ÷ 318 = 0.9811320754716981
0.9811320754716981 x 100 = 98.11%