-86.96% is the change from 759 to 99
Calculation steps:
[( 99 - 759 ) ÷ 759] x 100 = -86.96%
Formula
Percentage change = [(99 - 759) / 759] x 100
Subtract the new number by the original number
99 - 759 = -660
-660 ÷ 759 = -0.8695652173913043
-0.8695652173913043 x 100 = -86.96%