-98.81% is the change from 757 to 9
Calculation steps:
[( 9 - 757 ) ÷ 757] x 100 = -98.81%
Formula
Percentage change = [(9 - 757) / 757] x 100
Subtract the new number by the original number
9 - 757 = -748
-748 ÷ 757 = -0.988110964332893
-0.988110964332893 x 100 = -98.81%