-79.65% is the change from 973 to 198
Calculation steps:
[( 198 - 973 ) ÷ 973] x 100 = -79.65%
Formula
Percentage change = [(198 - 973) / 973] x 100
Subtract the new number by the original number
198 - 973 = -775
-775 ÷ 973 = -0.7965056526207606
-0.7965056526207606 x 100 = -79.65%