-23.29% is the change from 717 to 550
Calculation steps:
[( 550 - 717 ) ÷ 717] x 100 = -23.29%
Formula
Percentage change = [(550 - 717) / 717] x 100
Subtract the new number by the original number
550 - 717 = -167
-167 ÷ 717 = -0.23291492329149233
-0.23291492329149233 x 100 = -23.29%