-54.53% is the change from 717 to 326
Calculation steps:
[( 326 - 717 ) ÷ 717] x 100 = -54.53%
Formula
Percentage change = [(326 - 717) / 717] x 100
Subtract the new number by the original number
326 - 717 = -391
-391 ÷ 717 = -0.5453277545327755
-0.5453277545327755 x 100 = -54.53%