-96.6% is the change from 265 to 9
Calculation steps:
[( 9 - 265 ) ÷ 265] x 100 = -96.6%
Formula
Percentage change = [(9 - 265) / 265] x 100
Subtract the new number by the original number
9 - 265 = -256
-256 ÷ 265 = -0.9660377358490566
-0.9660377358490566 x 100 = -96.6%