-82.08% is the change from 491 to 88
Calculation steps:
[( 88 - 491 ) ÷ 491] x 100 = -82.08%
Formula
Percentage change = [(88 - 491) / 491] x 100
Subtract the new number by the original number
88 - 491 = -403
-403 ÷ 491 = -0.8207739307535642
-0.8207739307535642 x 100 = -82.08%