-63.01% is the change from 730 to 270
Calculation steps:
[( 270 - 730 ) ÷ 730] x 100 = -63.01%
Formula
Percentage change = [(270 - 730) / 730] x 100
Subtract the new number by the original number
270 - 730 = -460
-460 ÷ 730 = -0.6301369863013698
-0.6301369863013698 x 100 = -63.01%