-98.3% is the change from 763 to 13
Calculation steps:
[( 13 - 763 ) ÷ 763] x 100 = -98.3%
Formula
Percentage change = [(13 - 763) / 763] x 100
Subtract the new number by the original number
13 - 763 = -750
-750 ÷ 763 = -0.9829619921363041
-0.9829619921363041 x 100 = -98.3%