-48.17% is the change from 409 to 212
Calculation steps:
[( 212 - 409 ) ÷ 409] x 100 = -48.17%
Formula
Percentage change = [(212 - 409) / 409] x 100
Subtract the new number by the original number
212 - 409 = -197
-197 ÷ 409 = -0.48166259168704156
-0.48166259168704156 x 100 = -48.17%