102.27% is the change from 308 to 623
Calculation steps:
[( 623 - 308 ) ÷ 308] x 100 = 102.27%
Formula
Percentage change = [(623 - 308) / 308] x 100
Subtract the new number by the original number
623 - 308 = 315
315 ÷ 308 = 1.0227272727272727
1.0227272727272727 x 100 = 102.27%