-9.32% is the change from 279 to 253
Calculation steps:
[( 253 - 279 ) ÷ 279] x 100 = -9.32%
Formula
Percentage change = [(253 - 279) / 279] x 100
Subtract the new number by the original number
253 - 279 = -26
-26 ÷ 279 = -0.0931899641577061
-0.0931899641577061 x 100 = -9.32%