-98.34% is the change from 783 to 13
Calculation steps:
[( 13 - 783 ) ÷ 783] x 100 = -98.34%
Formula
Percentage change = [(13 - 783) / 783] x 100
Subtract the new number by the original number
13 - 783 = -770
-770 ÷ 783 = -0.9833971902937421
-0.9833971902937421 x 100 = -98.34%