-95% is the change from 280 to 14
Calculation steps:
[( 14 - 280 ) ÷ 280] x 100 = -95%
Formula
Percentage change = [(14 - 280) / 280] x 100
Subtract the new number by the original number
14 - 280 = -266
-266 ÷ 280 = -0.95
-0.95 x 100 = -95%
Example