-34.17% is the change from 199 to 131
Calculation steps:
[( 131 - 199 ) ÷ 199] x 100 = -34.17%
Formula
Percentage change = [(131 - 199) / 199] x 100
Subtract the new number by the original number
131 - 199 = -68
-68 ÷ 199 = -0.3417085427135678
-0.3417085427135678 x 100 = -34.17%