-88.66% is the change from 97 to 11
Calculation steps:
[( 11 - 97 ) ÷ 97] x 100 = -88.66%
Formula
Percentage change = [(11 - 97) / 97] x 100
Subtract the new number by the original number
11 - 97 = -86
-86 ÷ 97 = -0.8865979381443299
-0.8865979381443299 x 100 = -88.66%