-98.3% is the change from 766 to 13
Calculation steps:
[( 13 - 766 ) ÷ 766] x 100 = -98.3%
Formula
Percentage change = [(13 - 766) / 766] x 100
Subtract the new number by the original number
13 - 766 = -753
-753 ÷ 766 = -0.9830287206266318
-0.9830287206266318 x 100 = -98.3%