-93.48% is the change from 460 to 30
Calculation steps:
[( 30 - 460 ) ÷ 460] x 100 = -93.48%
Formula
Percentage change = [(30 - 460) / 460] x 100
Subtract the new number by the original number
30 - 460 = -430
-430 ÷ 460 = -0.9347826086956522
-0.9347826086956522 x 100 = -93.48%