-97.26% is the change from 730 to 20
Calculation steps:
[( 20 - 730 ) ÷ 730] x 100 = -97.26%
Formula
Percentage change = [(20 - 730) / 730] x 100
Subtract the new number by the original number
20 - 730 = -710
-710 ÷ 730 = -0.9726027397260274
-0.9726027397260274 x 100 = -97.26%