-94.89% is the change from 411 to 21
Calculation steps:
[( 21 - 411 ) ÷ 411] x 100 = -94.89%
Formula
Percentage change = [(21 - 411) / 411] x 100
Subtract the new number by the original number
21 - 411 = -390
-390 ÷ 411 = -0.948905109489051
-0.948905109489051 x 100 = -94.89%