-45.57% is the change from 395 to 215
Calculation steps:
[( 215 - 395 ) ÷ 395] x 100 = -45.57%
Formula
Percentage change = [(215 - 395) / 395] x 100
Subtract the new number by the original number
215 - 395 = -180
-180 ÷ 395 = -0.45569620253164556
-0.45569620253164556 x 100 = -45.57%