-45.5% is the change from 389 to 212
Calculation steps:
[( 212 - 389 ) ÷ 389] x 100 = -45.5%
Formula
Percentage change = [(212 - 389) / 389] x 100
Subtract the new number by the original number
212 - 389 = -177
-177 ÷ 389 = -0.455012853470437
-0.455012853470437 x 100 = -45.5%