-90.71% is the change from 969 to 90
Calculation steps:
[( 90 - 969 ) ÷ 969] x 100 = -90.71%
Formula
Percentage change = [(90 - 969) / 969] x 100
Subtract the new number by the original number
90 - 969 = -879
-879 ÷ 969 = -0.9071207430340558
-0.9071207430340558 x 100 = -90.71%