-76.6% is the change from 842 to 197
Calculation steps:
[( 197 - 842 ) ÷ 842] x 100 = -76.6%
Formula
Percentage change = [(197 - 842) / 842] x 100
Subtract the new number by the original number
197 - 842 = -645
-645 ÷ 842 = -0.7660332541567696
-0.7660332541567696 x 100 = -76.6%