-77.12% is the change from 743 to 170
Calculation steps:
[( 170 - 743 ) ÷ 743] x 100 = -77.12%
Formula
Percentage change = [(170 - 743) / 743] x 100
Subtract the new number by the original number
170 - 743 = -573
-573 ÷ 743 = -0.7711978465679677
-0.7711978465679677 x 100 = -77.12%