-98.11% is the change from 687 to 13
Calculation steps:
[( 13 - 687 ) ÷ 687] x 100 = -98.11%
Formula
Percentage change = [(13 - 687) / 687] x 100
Subtract the new number by the original number
13 - 687 = -674
-674 ÷ 687 = -0.9810771470160117
-0.9810771470160117 x 100 = -98.11%