-20.73% is the change from 844 to 669
Calculation steps:
[( 669 - 844 ) ÷ 844] x 100 = -20.73%
Formula
Percentage change = [(669 - 844) / 844] x 100
Subtract the new number by the original number
669 - 844 = -175
-175 ÷ 844 = -0.20734597156398105
-0.20734597156398105 x 100 = -20.73%