-86.93% is the change from 742 to 97
Calculation steps:
[( 97 - 742 ) ÷ 742] x 100 = -86.93%
Formula
Percentage change = [(97 - 742) / 742] x 100
Subtract the new number by the original number
97 - 742 = -645
-645 ÷ 742 = -0.8692722371967655
-0.8692722371967655 x 100 = -86.93%