-3.43% is the change from 437 to 422
Calculation steps:
[( 422 - 437 ) ÷ 437] x 100 = -3.43%
Formula
Percentage change = [(422 - 437) / 437] x 100
Subtract the new number by the original number
422 - 437 = -15
-15 ÷ 437 = -0.034324942791762014
-0.034324942791762014 x 100 = -3.43%