-8.94% is the change from 839 to 764
Calculation steps:
[( 764 - 839 ) ÷ 839] x 100 = -8.94%
Formula
Percentage change = [(764 - 839) / 839] x 100
Subtract the new number by the original number
764 - 839 = -75
-75 ÷ 839 = -0.08939213349225268
-0.08939213349225268 x 100 = -8.94%