-19.46% is the change from 411 to 331
Calculation steps:
[( 331 - 411 ) ÷ 411] x 100 = -19.46%
Formula
Percentage change = [(331 - 411) / 411] x 100
Subtract the new number by the original number
331 - 411 = -80
-80 ÷ 411 = -0.19464720194647203
-0.19464720194647203 x 100 = -19.46%