-8.72% is the change from 218 to 199
Calculation steps:
[( 199 - 218 ) ÷ 218] x 100 = -8.72%
Formula
Percentage change = [(199 - 218) / 218] x 100
Subtract the new number by the original number
199 - 218 = -19
-19 ÷ 218 = -0.0871559633027523
-0.0871559633027523 x 100 = -8.72%