-30.18% is the change from 285 to 199
Calculation steps:
[( 199 - 285 ) ÷ 285] x 100 = -30.18%
Formula
Percentage change = [(199 - 285) / 285] x 100
Subtract the new number by the original number
199 - 285 = -86
-86 ÷ 285 = -0.3017543859649123
-0.3017543859649123 x 100 = -30.18%