-6.03% is the change from 199 to 187
Calculation steps:
[( 187 - 199 ) ÷ 199] x 100 = -6.03%
Formula
Percentage change = [(187 - 199) / 199] x 100
Subtract the new number by the original number
187 - 199 = -12
-12 ÷ 199 = -0.06030150753768844
-0.06030150753768844 x 100 = -6.03%