-92.99% is the change from 728 to 51
Calculation steps:
[( 51 - 728 ) ÷ 728] x 100 = -92.99%
Formula
Percentage change = [(51 - 728) / 728] x 100
Subtract the new number by the original number
51 - 728 = -677
-677 ÷ 728 = -0.929945054945055
-0.929945054945055 x 100 = -92.99%