-33.84% is the change from 198 to 131
Calculation steps:
[( 131 - 198 ) ÷ 198] x 100 = -33.84%
Formula
Percentage change = [(131 - 198) / 198] x 100
Subtract the new number by the original number
131 - 198 = -67
-67 ÷ 198 = -0.3383838383838384
-0.3383838383838384 x 100 = -33.84%