99.04% is the change from 313 to 623
Calculation steps:
[( 623 - 313 ) ÷ 313] x 100 = 99.04%
Formula
Percentage change = [(623 - 313) / 313] x 100
Subtract the new number by the original number
623 - 313 = 310
310 ÷ 313 = 0.9904153354632588
0.9904153354632588 x 100 = 99.04%