-8.36% is the change from 287 to 263
Calculation steps:
[( 263 - 287 ) ÷ 287] x 100 = -8.36%
Formula
Percentage change = [(263 - 287) / 287] x 100
Subtract the new number by the original number
263 - 287 = -24
-24 ÷ 287 = -0.08362369337979095
-0.08362369337979095 x 100 = -8.36%