-93.66% is the change from 804 to 51
Calculation steps:
[( 51 - 804 ) ÷ 804] x 100 = -93.66%
Formula
Percentage change = [(51 - 804) / 804] x 100
Subtract the new number by the original number
51 - 804 = -753
-753 ÷ 804 = -0.9365671641791045
-0.9365671641791045 x 100 = -93.66%