-89.22% is the change from 742 to 80
Calculation steps:
[( 80 - 742 ) ÷ 742] x 100 = -89.22%
Formula
Percentage change = [(80 - 742) / 742] x 100
Subtract the new number by the original number
80 - 742 = -662
-662 ÷ 742 = -0.8921832884097035
-0.8921832884097035 x 100 = -89.22%