-52.16% is the change from 717 to 343
Calculation steps:
[( 343 - 717 ) ÷ 717] x 100 = -52.16%
Formula
Percentage change = [(343 - 717) / 717] x 100
Subtract the new number by the original number
343 - 717 = -374
-374 ÷ 717 = -0.5216178521617852
-0.5216178521617852 x 100 = -52.16%