-86.05% is the change from 717 to 100
Calculation steps:
[( 100 - 717 ) ÷ 717] x 100 = -86.05%
Formula
Percentage change = [(100 - 717) / 717] x 100
Subtract the new number by the original number
100 - 717 = -617
-617 ÷ 717 = -0.8605299860529986
-0.8605299860529986 x 100 = -86.05%