97.48% is the change from 318 to 628
Calculation steps:
[( 628 - 318 ) ÷ 318] x 100 = 97.48%
Formula
Percentage change = [(628 - 318) / 318] x 100
Subtract the new number by the original number
628 - 318 = 310
310 ÷ 318 = 0.9748427672955975
0.9748427672955975 x 100 = 97.48%