-30.83% is the change from 733 to 507
Calculation steps:
[( 507 - 733 ) ÷ 733] x 100 = -30.83%
Formula
Percentage change = [(507 - 733) / 733] x 100
Subtract the new number by the original number
507 - 733 = -226
-226 ÷ 733 = -0.3083219645293315
-0.3083219645293315 x 100 = -30.83%