-78.27% is the change from 764 to 166
Calculation steps:
[( 166 - 764 ) ÷ 764] x 100 = -78.27%
Formula
Percentage change = [(166 - 764) / 764] x 100
Subtract the new number by the original number
166 - 764 = -598
-598 ÷ 764 = -0.7827225130890052
-0.7827225130890052 x 100 = -78.27%