-95.83% is the change from 720 to 30
Calculation steps:
[( 30 - 720 ) ÷ 720] x 100 = -95.83%
Formula
Percentage change = [(30 - 720) / 720] x 100
Subtract the new number by the original number
30 - 720 = -690
-690 ÷ 720 = -0.9583333333333334
-0.9583333333333334 x 100 = -95.83%