-77.82% is the change from 717 to 159
Calculation steps:
[( 159 - 717 ) ÷ 717] x 100 = -77.82%
Formula
Percentage change = [(159 - 717) / 717] x 100
Subtract the new number by the original number
159 - 717 = -558
-558 ÷ 717 = -0.7782426778242678
-0.7782426778242678 x 100 = -77.82%