-98.3% is the change from 764 to 13
Calculation steps:
[( 13 - 764 ) ÷ 764] x 100 = -98.3%
Formula
Percentage change = [(13 - 764) / 764] x 100
Subtract the new number by the original number
13 - 764 = -751
-751 ÷ 764 = -0.9829842931937173
-0.9829842931937173 x 100 = -98.3%