-26.98% is the change from 997 to 728
Calculation steps:
[( 728 - 997 ) ÷ 997] x 100 = -26.98%
Formula
Percentage change = [(728 - 997) / 997] x 100
Subtract the new number by the original number
728 - 997 = -269
-269 ÷ 997 = -0.26980942828485455
-0.26980942828485455 x 100 = -26.98%