-26.27% is the change from 845 to 623
Calculation steps:
[( 623 - 845 ) ÷ 845] x 100 = -26.27%
Formula
Percentage change = [(623 - 845) / 845] x 100
Subtract the new number by the original number
623 - 845 = -222
-222 ÷ 845 = -0.26272189349112424
-0.26272189349112424 x 100 = -26.27%