-91.58% is the change from 819 to 69
Calculation steps:
[( 69 - 819 ) ÷ 819] x 100 = -91.58%
Formula
Percentage change = [(69 - 819) / 819] x 100
Subtract the new number by the original number
69 - 819 = -750
-750 ÷ 819 = -0.9157509157509157
-0.9157509157509157 x 100 = -91.58%