-91.31% is the change from 863 to 75
Calculation steps:
[( 75 - 863 ) ÷ 863] x 100 = -91.31%
Formula
Percentage change = [(75 - 863) / 863] x 100
Subtract the new number by the original number
75 - 863 = -788
-788 ÷ 863 = -0.9130938586326767
-0.9130938586326767 x 100 = -91.31%