-88.49% is the change from 843 to 97
Calculation steps:
[( 97 - 843 ) ÷ 843] x 100 = -88.49%
Formula
Percentage change = [(97 - 843) / 843] x 100
Subtract the new number by the original number
97 - 843 = -746
-746 ÷ 843 = -0.8849347568208779
-0.8849347568208779 x 100 = -88.49%