-83.46% is the change from 393 to 65
Calculation steps:
[( 65 - 393 ) ÷ 393] x 100 = -83.46%
Formula
Percentage change = [(65 - 393) / 393] x 100
Subtract the new number by the original number
65 - 393 = -328
-328 ÷ 393 = -0.8346055979643766
-0.8346055979643766 x 100 = -83.46%