-88.77% is the change from 971 to 109
Calculation steps:
[( 109 - 971 ) ÷ 971] x 100 = -88.77%
Formula
Percentage change = [(109 - 971) / 971] x 100
Subtract the new number by the original number
109 - 971 = -862
-862 ÷ 971 = -0.8877445932028837
-0.8877445932028837 x 100 = -88.77%