-97.3% is the change from 408 to 11
Calculation steps:
[( 11 - 408 ) ÷ 408] x 100 = -97.3%
Formula
Percentage change = [(11 - 408) / 408] x 100
Subtract the new number by the original number
11 - 408 = -397
-397 ÷ 408 = -0.9730392156862745
-0.9730392156862745 x 100 = -97.3%