-51.04% is the change from 431 to 211
Calculation steps:
[( 211 - 431 ) ÷ 431] x 100 = -51.04%
Formula
Percentage change = [(211 - 431) / 431] x 100
Subtract the new number by the original number
211 - 431 = -220
-220 ÷ 431 = -0.5104408352668214
-0.5104408352668214 x 100 = -51.04%