-98.64% is the change from 808 to 11
Calculation steps:
[( 11 - 808 ) ÷ 808] x 100 = -98.64%
Formula
Percentage change = [(11 - 808) / 808] x 100
Subtract the new number by the original number
11 - 808 = -797
-797 ÷ 808 = -0.9863861386138614
-0.9863861386138614 x 100 = -98.64%