-75.5% is the change from 706 to 173
Calculation steps:
[( 173 - 706 ) ÷ 706] x 100 = -75.5%
Formula
Percentage change = [(173 - 706) / 706] x 100
Subtract the new number by the original number
173 - 706 = -533
-533 ÷ 706 = -0.7549575070821529
-0.7549575070821529 x 100 = -75.5%