-95.48% is the change from 310 to 14
Calculation steps:
[( 14 - 310 ) ÷ 310] x 100 = -95.48%
Formula
Percentage change = [(14 - 310) / 310] x 100
Subtract the new number by the original number
14 - 310 = -296
-296 ÷ 310 = -0.9548387096774194
-0.9548387096774194 x 100 = -95.48%