-80.61% is the change from 717 to 139
Calculation steps:
[( 139 - 717 ) ÷ 717] x 100 = -80.61%
Formula
Percentage change = [(139 - 717) / 717] x 100
Subtract the new number by the original number
139 - 717 = -578
-578 ÷ 717 = -0.806136680613668
-0.806136680613668 x 100 = -80.61%