-23.43% is the change from 717 to 549
Calculation steps:
[( 549 - 717 ) ÷ 717] x 100 = -23.43%
Formula
Percentage change = [(549 - 717) / 717] x 100
Subtract the new number by the original number
549 - 717 = -168
-168 ÷ 717 = -0.23430962343096234
-0.23430962343096234 x 100 = -23.43%