-91.69% is the change from 963 to 80
Calculation steps:
[( 80 - 963 ) ÷ 963] x 100 = -91.69%
Formula
Percentage change = [(80 - 963) / 963] x 100
Subtract the new number by the original number
80 - 963 = -883
-883 ÷ 963 = -0.9169262720664589
-0.9169262720664589 x 100 = -91.69%