102.56% is the change from 313 to 634
Calculation steps:
[( 634 - 313 ) ÷ 313] x 100 = 102.56%
Formula
Percentage change = [(634 - 313) / 313] x 100
Subtract the new number by the original number
634 - 313 = 321
321 ÷ 313 = 1.02555910543131
1.02555910543131 x 100 = 102.56%