102.58% is the change from 310 to 628
Calculation steps:
[( 628 - 310 ) ÷ 310] x 100 = 102.58%
Formula
Percentage change = [(628 - 310) / 310] x 100
Subtract the new number by the original number
628 - 310 = 318
318 ÷ 310 = 1.0258064516129033
1.0258064516129033 x 100 = 102.58%