-78.71% is the change from 728 to 155
Calculation steps:
[( 155 - 728 ) ÷ 728] x 100 = -78.71%
Formula
Percentage change = [(155 - 728) / 728] x 100
Subtract the new number by the original number
155 - 728 = -573
-573 ÷ 728 = -0.7870879120879121
-0.7870879120879121 x 100 = -78.71%