-70.59% is the change from 17 to 5
Calculation steps:
[( 5 - 17 ) ÷ 17] x 100 = -70.59%
Formula
Percentage change = [(5 - 17) / 17] x 100
Subtract the new number by the original number
5 - 17 = -12
-12 ÷ 17 = -0.7058823529411765
-0.7058823529411765 x 100 = -70.59%