-89.66% is the change from 764 to 79
Calculation steps:
[( 79 - 764 ) ÷ 764] x 100 = -89.66%
Formula
Percentage change = [(79 - 764) / 764] x 100
Subtract the new number by the original number
79 - 764 = -685
-685 ÷ 764 = -0.8965968586387435
-0.8965968586387435 x 100 = -89.66%