-76.34% is the change from 837 to 198
Calculation steps:
[( 198 - 837 ) ÷ 837] x 100 = -76.34%
Formula
Percentage change = [(198 - 837) / 837] x 100
Subtract the new number by the original number
198 - 837 = -639
-639 ÷ 837 = -0.7634408602150538
-0.7634408602150538 x 100 = -76.34%