-87.87% is the change from 767 to 93
Calculation steps:
[( 93 - 767 ) ÷ 767] x 100 = -87.87%
Formula
Percentage change = [(93 - 767) / 767] x 100
Subtract the new number by the original number
93 - 767 = -674
-674 ÷ 767 = -0.878748370273794
-0.878748370273794 x 100 = -87.87%