-85.77% is the change from 766 to 109
Calculation steps:
[( 109 - 766 ) ÷ 766] x 100 = -85.77%
Formula
Percentage change = [(109 - 766) / 766] x 100
Subtract the new number by the original number
109 - 766 = -657
-657 ÷ 766 = -0.8577023498694517
-0.8577023498694517 x 100 = -85.77%