-97.57% is the change from 742 to 18
Calculation steps:
[( 18 - 742 ) ÷ 742] x 100 = -97.57%
Formula
Percentage change = [(18 - 742) / 742] x 100
Subtract the new number by the original number
18 - 742 = -724
-724 ÷ 742 = -0.9757412398921833
-0.9757412398921833 x 100 = -97.57%