-31.23% is the change from 730 to 502
Calculation steps:
[( 502 - 730 ) ÷ 730] x 100 = -31.23%
Formula
Percentage change = [(502 - 730) / 730] x 100
Subtract the new number by the original number
502 - 730 = -228
-228 ÷ 730 = -0.31232876712328766
-0.31232876712328766 x 100 = -31.23%