-96.15% is the change from 260 to 10
Calculation steps:
[( 10 - 260 ) ÷ 260] x 100 = -96.15%
Formula
Percentage change = [(10 - 260) / 260] x 100
Subtract the new number by the original number
10 - 260 = -250
-250 ÷ 260 = -0.9615384615384616
-0.9615384615384616 x 100 = -96.15%