-97.7% is the change from 740 to 17
Calculation steps:
[( 17 - 740 ) ÷ 740] x 100 = -97.7%
Formula
Percentage change = [(17 - 740) / 740] x 100
Subtract the new number by the original number
17 - 740 = -723
-723 ÷ 740 = -0.977027027027027
-0.977027027027027 x 100 = -97.7%