-93.69% is the change from 808 to 51
Calculation steps:
[( 51 - 808 ) ÷ 808] x 100 = -93.69%
Formula
Percentage change = [(51 - 808) / 808] x 100
Subtract the new number by the original number
51 - 808 = -757
-757 ÷ 808 = -0.9368811881188119
-0.9368811881188119 x 100 = -93.69%