-95.63% is the change from 320 to 14
Calculation steps:
[( 14 - 320 ) ÷ 320] x 100 = -95.63%
Formula
Percentage change = [(14 - 320) / 320] x 100
Subtract the new number by the original number
14 - 320 = -306
-306 ÷ 320 = -0.95625
-0.95625 x 100 = -95.63%