-31.16% is the change from 905 to 623
Calculation steps:
[( 623 - 905 ) ÷ 905] x 100 = -31.16%
Formula
Percentage change = [(623 - 905) / 905] x 100
Subtract the new number by the original number
623 - 905 = -282
-282 ÷ 905 = -0.3116022099447514
-0.3116022099447514 x 100 = -31.16%