-90.85% is the change from 809 to 74
Calculation steps:
[( 74 - 809 ) ÷ 809] x 100 = -90.85%
Formula
Percentage change = [(74 - 809) / 809] x 100
Subtract the new number by the original number
74 - 809 = -735
-735 ÷ 809 = -0.9085290482076638
-0.9085290482076638 x 100 = -90.85%