-31.3% is the change from 738 to 507
Calculation steps:
[( 507 - 738 ) ÷ 738] x 100 = -31.3%
Formula
Percentage change = [(507 - 738) / 738] x 100
Subtract the new number by the original number
507 - 738 = -231
-231 ÷ 738 = -0.3130081300813008
-0.3130081300813008 x 100 = -31.3%