-87.86% is the change from 766 to 93
Calculation steps:
[( 93 - 766 ) ÷ 766] x 100 = -87.86%
Formula
Percentage change = [(93 - 766) / 766] x 100
Subtract the new number by the original number
93 - 766 = -673
-673 ÷ 766 = -0.8785900783289817
-0.8785900783289817 x 100 = -87.86%