-82.83% is the change from 198 to 34
Calculation steps:
[( 34 - 198 ) ÷ 198] x 100 = -82.83%
Formula
Percentage change = [(34 - 198) / 198] x 100
Subtract the new number by the original number
34 - 198 = -164
-164 ÷ 198 = -0.8282828282828283
-0.8282828282828283 x 100 = -82.83%