-6.42% is the change from 265 to 248
Calculation steps:
[( 248 - 265 ) ÷ 265] x 100 = -6.42%
Formula
Percentage change = [(248 - 265) / 265] x 100
Subtract the new number by the original number
248 - 265 = -17
-17 ÷ 265 = -0.06415094339622641
-0.06415094339622641 x 100 = -6.42%