-89.08% is the change from 797 to 87
Calculation steps:
[( 87 - 797 ) ÷ 797] x 100 = -89.08%
Formula
Percentage change = [(87 - 797) / 797] x 100
Subtract the new number by the original number
87 - 797 = -710
-710 ÷ 797 = -0.890840652446675
-0.890840652446675 x 100 = -89.08%