-89.69% is the change from 786 to 81
Calculation steps:
[( 81 - 786 ) ÷ 786] x 100 = -89.69%
Formula
Percentage change = [(81 - 786) / 786] x 100
Subtract the new number by the original number
81 - 786 = -705
-705 ÷ 786 = -0.8969465648854962
-0.8969465648854962 x 100 = -89.69%