-90.38% is the change from 728 to 70
Calculation steps:
[( 70 - 728 ) ÷ 728] x 100 = -90.38%
Formula
Percentage change = [(70 - 728) / 728] x 100
Subtract the new number by the original number
70 - 728 = -658
-658 ÷ 728 = -0.9038461538461539
-0.9038461538461539 x 100 = -90.38%