-50.24% is the change from 424 to 211
Calculation steps:
[( 211 - 424 ) ÷ 424] x 100 = -50.24%
Formula
Percentage change = [(211 - 424) / 424] x 100
Subtract the new number by the original number
211 - 424 = -213
-213 ÷ 424 = -0.5023584905660378
-0.5023584905660378 x 100 = -50.24%