-22.8% is the change from 807 to 623
Calculation steps:
[( 623 - 807 ) ÷ 807] x 100 = -22.8%
Formula
Percentage change = [(623 - 807) / 807] x 100
Subtract the new number by the original number
623 - 807 = -184
-184 ÷ 807 = -0.22800495662949194
-0.22800495662949194 x 100 = -22.8%