-68.9% is the change from 717 to 223
Calculation steps:
[( 223 - 717 ) ÷ 717] x 100 = -68.9%
Formula
Percentage change = [(223 - 717) / 717] x 100
Subtract the new number by the original number
223 - 717 = -494
-494 ÷ 717 = -0.6889818688981869
-0.6889818688981869 x 100 = -68.9%