-92.68% is the change from 410 to 30
Calculation steps:
[( 30 - 410 ) ÷ 410] x 100 = -92.68%
Formula
Percentage change = [(30 - 410) / 410] x 100
Subtract the new number by the original number
30 - 410 = -380
-380 ÷ 410 = -0.926829268292683
-0.926829268292683 x 100 = -92.68%