-78.48% is the change from 409 to 88
Calculation steps:
[( 88 - 409 ) ÷ 409] x 100 = -78.48%
Formula
Percentage change = [(88 - 409) / 409] x 100
Subtract the new number by the original number
88 - 409 = -321
-321 ÷ 409 = -0.784841075794621
-0.784841075794621 x 100 = -78.48%