-91.53% is the change from 945 to 80
Calculation steps:
[( 80 - 945 ) ÷ 945] x 100 = -91.53%
Formula
Percentage change = [(80 - 945) / 945] x 100
Subtract the new number by the original number
80 - 945 = -865
-865 ÷ 945 = -0.9153439153439153
-0.9153439153439153 x 100 = -91.53%