-79.56% is the change from 318 to 65
Calculation steps:
[( 65 - 318 ) ÷ 318] x 100 = -79.56%
Formula
Percentage change = [(65 - 318) / 318] x 100
Subtract the new number by the original number
65 - 318 = -253
-253 ÷ 318 = -0.7955974842767296
-0.7955974842767296 x 100 = -79.56%