100.97% is the change from 310 to 623
Calculation steps:
[( 623 - 310 ) ÷ 310] x 100 = 100.97%
Formula
Percentage change = [(623 - 310) / 310] x 100
Subtract the new number by the original number
623 - 310 = 313
313 ÷ 310 = 1.0096774193548388
1.0096774193548388 x 100 = 100.97%