-96.97% is the change from 198 to 6
Calculation steps:
[( 6 - 198 ) ÷ 198] x 100 = -96.97%
Formula
Percentage change = [(6 - 198) / 198] x 100
Subtract the new number by the original number
6 - 198 = -192
-192 ÷ 198 = -0.9696969696969697
-0.9696969696969697 x 100 = -96.97%