-72.8% is the change from 728 to 198
Calculation steps:
[( 198 - 728 ) ÷ 728] x 100 = -72.8%
Formula
Percentage change = [(198 - 728) / 728] x 100
Subtract the new number by the original number
198 - 728 = -530
-530 ÷ 728 = -0.728021978021978
-0.728021978021978 x 100 = -72.8%