-50% is the change from 730 to 365
Calculation steps:
[( 365 - 730 ) ÷ 730] x 100 = -50%
Formula
Percentage change = [(365 - 730) / 730] x 100
Subtract the new number by the original number
365 - 730 = -365
-365 ÷ 730 = -0.5
-0.5 x 100 = -50%
Example