-97.77% is the change from 764 to 17
Calculation steps:
[( 17 - 764 ) ÷ 764] x 100 = -97.77%
Formula
Percentage change = [(17 - 764) / 764] x 100
Subtract the new number by the original number
17 - 764 = -747
-747 ÷ 764 = -0.9777486910994765
-0.9777486910994765 x 100 = -97.77%