-93.6% is the change from 797 to 51
Calculation steps:
[( 51 - 797 ) ÷ 797] x 100 = -93.6%
Formula
Percentage change = [(51 - 797) / 797] x 100
Subtract the new number by the original number
51 - 797 = -746
-746 ÷ 797 = -0.9360100376411543
-0.9360100376411543 x 100 = -93.6%