-18.03% is the change from 843 to 691
Calculation steps:
[( 691 - 843 ) ÷ 843] x 100 = -18.03%
Formula
Percentage change = [(691 - 843) / 843] x 100
Subtract the new number by the original number
691 - 843 = -152
-152 ÷ 843 = -0.18030842230130487
-0.18030842230130487 x 100 = -18.03%