-51.49% is the change from 437 to 212
Calculation steps:
[( 212 - 437 ) ÷ 437] x 100 = -51.49%
Formula
Percentage change = [(212 - 437) / 437] x 100
Subtract the new number by the original number
212 - 437 = -225
-225 ÷ 437 = -0.5148741418764302
-0.5148741418764302 x 100 = -51.49%