-19.62% is the change from 316 to 254
Calculation steps:
[( 254 - 316 ) ÷ 316] x 100 = -19.62%
Formula
Percentage change = [(254 - 316) / 316] x 100
Subtract the new number by the original number
254 - 316 = -62
-62 ÷ 316 = -0.1962025316455696
-0.1962025316455696 x 100 = -19.62%