-31.76% is the change from 743 to 507
Calculation steps:
[( 507 - 743 ) ÷ 743] x 100 = -31.76%
Formula
Percentage change = [(507 - 743) / 743] x 100
Subtract the new number by the original number
507 - 743 = -236
-236 ÷ 743 = -0.31763122476446837
-0.31763122476446837 x 100 = -31.76%