-8.3% is the change from 277 to 254
Calculation steps:
[( 254 - 277 ) ÷ 277] x 100 = -8.3%
Formula
Percentage change = [(254 - 277) / 277] x 100
Subtract the new number by the original number
254 - 277 = -23
-23 ÷ 277 = -0.08303249097472924
-0.08303249097472924 x 100 = -8.3%