-91.03% is the change from 892 to 80
Calculation steps:
[( 80 - 892 ) ÷ 892] x 100 = -91.03%
Formula
Percentage change = [(80 - 892) / 892] x 100
Subtract the new number by the original number
80 - 892 = -812
-812 ÷ 892 = -0.9103139013452914
-0.9103139013452914 x 100 = -91.03%