-72.5% is the change from 611 to 168
Calculation steps:
[( 168 - 611 ) ÷ 611] x 100 = -72.5%
Formula
Percentage change = [(168 - 611) / 611] x 100
Subtract the new number by the original number
168 - 611 = -443
-443 ÷ 611 = -0.7250409165302782
-0.7250409165302782 x 100 = -72.5%