-97.71% is the change from 743 to 17
Calculation steps:
[( 17 - 743 ) ÷ 743] x 100 = -97.71%
Formula
Percentage change = [(17 - 743) / 743] x 100
Subtract the new number by the original number
17 - 743 = -726
-726 ÷ 743 = -0.9771197846567967
-0.9771197846567967 x 100 = -97.71%