-88.7% is the change from 354 to 40
Calculation steps:
[( 40 - 354 ) ÷ 354] x 100 = -88.7%
Formula
Percentage change = [(40 - 354) / 354] x 100
Subtract the new number by the original number
40 - 354 = -314
-314 ÷ 354 = -0.8870056497175142
-0.8870056497175142 x 100 = -88.7%