123.3% is the change from 279 to 623
Calculation steps:
[( 623 - 279 ) ÷ 279] x 100 = 123.3%
Formula
Percentage change = [(623 - 279) / 279] x 100
Subtract the new number by the original number
623 - 279 = 344
344 ÷ 279 = 1.2329749103942653
1.2329749103942653 x 100 = 123.3%