-5.53% is the change from 199 to 188
Calculation steps:
[( 188 - 199 ) ÷ 199] x 100 = -5.53%
Formula
Percentage change = [(188 - 199) / 199] x 100
Subtract the new number by the original number
188 - 199 = -11
-11 ÷ 199 = -0.05527638190954774
-0.05527638190954774 x 100 = -5.53%