-79.64% is the change from 717 to 146
Calculation steps:
[( 146 - 717 ) ÷ 717] x 100 = -79.64%
Formula
Percentage change = [(146 - 717) / 717] x 100
Subtract the new number by the original number
146 - 717 = -571
-571 ÷ 717 = -0.796373779637378
-0.796373779637378 x 100 = -79.64%