-19.93% is the change from 843 to 675
Calculation steps:
[( 675 - 843 ) ÷ 843] x 100 = -19.93%
Formula
Percentage change = [(675 - 843) / 843] x 100
Subtract the new number by the original number
675 - 843 = -168
-168 ÷ 843 = -0.199288256227758
-0.199288256227758 x 100 = -19.93%