-51.72% is the change from 437 to 211
Calculation steps:
[( 211 - 437 ) ÷ 437] x 100 = -51.72%
Formula
Percentage change = [(211 - 437) / 437] x 100
Subtract the new number by the original number
211 - 437 = -226
-226 ÷ 437 = -0.517162471395881
-0.517162471395881 x 100 = -51.72%