102.93% is the change from 307 to 623
Calculation steps:
[( 623 - 307 ) ÷ 307] x 100 = 102.93%
Formula
Percentage change = [(623 - 307) / 307] x 100
Subtract the new number by the original number
623 - 307 = 316
316 ÷ 307 = 1.0293159609120521
1.0293159609120521 x 100 = 102.93%