-31.81% is the change from 742 to 506
Calculation steps:
[( 506 - 742 ) ÷ 742] x 100 = -31.81%
Formula
Percentage change = [(506 - 742) / 742] x 100
Subtract the new number by the original number
506 - 742 = -236
-236 ÷ 742 = -0.31805929919137466
-0.31805929919137466 x 100 = -31.81%