-96.46% is the change from 198 to 7
Calculation steps:
[( 7 - 198 ) ÷ 198] x 100 = -96.46%
Formula
Percentage change = [(7 - 198) / 198] x 100
Subtract the new number by the original number
7 - 198 = -191
-191 ÷ 198 = -0.9646464646464646
-0.9646464646464646 x 100 = -96.46%