-13.31% is the change from 263 to 228
Calculation steps:
[( 228 - 263 ) ÷ 263] x 100 = -13.31%
Formula
Percentage change = [(228 - 263) / 263] x 100
Subtract the new number by the original number
228 - 263 = -35
-35 ÷ 263 = -0.13307984790874525
-0.13307984790874525 x 100 = -13.31%