-76.29% is the change from 717 to 170
Calculation steps:
[( 170 - 717 ) ÷ 717] x 100 = -76.29%
Formula
Percentage change = [(170 - 717) / 717] x 100
Subtract the new number by the original number
170 - 717 = -547
-547 ÷ 717 = -0.7629009762900977
-0.7629009762900977 x 100 = -76.29%