-93.63% is the change from 801 to 51
Calculation steps:
[( 51 - 801 ) ÷ 801] x 100 = -93.63%
Formula
Percentage change = [(51 - 801) / 801] x 100
Subtract the new number by the original number
51 - 801 = -750
-750 ÷ 801 = -0.9363295880149812
-0.9363295880149812 x 100 = -93.63%