-98.44% is the change from 959 to 15
Calculation steps:
[( 15 - 959 ) ÷ 959] x 100 = -98.44%
Formula
Percentage change = [(15 - 959) / 959] x 100
Subtract the new number by the original number
15 - 959 = -944
-944 ÷ 959 = -0.9843587069864442
-0.9843587069864442 x 100 = -98.44%