-76.63% is the change from 843 to 197
Calculation steps:
[( 197 - 843 ) ÷ 843] x 100 = -76.63%
Formula
Percentage change = [(197 - 843) / 843] x 100
Subtract the new number by the original number
197 - 843 = -646
-646 ÷ 843 = -0.7663107947805456
-0.7663107947805456 x 100 = -76.63%