-95.9% is the change from 390 to 16
Calculation steps:
[( 16 - 390 ) ÷ 390] x 100 = -95.9%
Formula
Percentage change = [(16 - 390) / 390] x 100
Subtract the new number by the original number
16 - 390 = -374
-374 ÷ 390 = -0.958974358974359
-0.958974358974359 x 100 = -95.9%