-21.65% is the change from 254 to 199
Calculation steps:
[( 199 - 254 ) ÷ 254] x 100 = -21.65%
Formula
Percentage change = [(199 - 254) / 254] x 100
Subtract the new number by the original number
199 - 254 = -55
-55 ÷ 254 = -0.21653543307086615
-0.21653543307086615 x 100 = -21.65%