-83.51% is the change from 764 to 126
Calculation steps:
[( 126 - 764 ) ÷ 764] x 100 = -83.51%
Formula
Percentage change = [(126 - 764) / 764] x 100
Subtract the new number by the original number
126 - 764 = -638
-638 ÷ 764 = -0.8350785340314136
-0.8350785340314136 x 100 = -83.51%