-77.2% is the change from 728 to 166
Calculation steps:
[( 166 - 728 ) ÷ 728] x 100 = -77.2%
Formula
Percentage change = [(166 - 728) / 728] x 100
Subtract the new number by the original number
166 - 728 = -562
-562 ÷ 728 = -0.771978021978022
-0.771978021978022 x 100 = -77.2%