-79.78% is the change from 717 to 145
Calculation steps:
[( 145 - 717 ) ÷ 717] x 100 = -79.78%
Formula
Percentage change = [(145 - 717) / 717] x 100
Subtract the new number by the original number
145 - 717 = -572
-572 ÷ 717 = -0.797768479776848
-0.797768479776848 x 100 = -79.78%