-27.47% is the change from 728 to 528
Calculation steps:
[( 528 - 728 ) ÷ 728] x 100 = -27.47%
Formula
Percentage change = [(528 - 728) / 728] x 100
Subtract the new number by the original number
528 - 728 = -200
-200 ÷ 728 = -0.27472527472527475
-0.27472527472527475 x 100 = -27.47%