-51.28% is the change from 431 to 210
Calculation steps:
[( 210 - 431 ) ÷ 431] x 100 = -51.28%
Formula
Percentage change = [(210 - 431) / 431] x 100
Subtract the new number by the original number
210 - 431 = -221
-221 ÷ 431 = -0.5127610208816705
-0.5127610208816705 x 100 = -51.28%