-31.69% is the change from 912 to 623
Calculation steps:
[( 623 - 912 ) ÷ 912] x 100 = -31.69%
Formula
Percentage change = [(623 - 912) / 912] x 100
Subtract the new number by the original number
623 - 912 = -289
-289 ÷ 912 = -0.3168859649122807
-0.3168859649122807 x 100 = -31.69%