-29.06% is the change from 437 to 310
Calculation steps:
[( 310 - 437 ) ÷ 437] x 100 = -29.06%
Formula
Percentage change = [(310 - 437) / 437] x 100
Subtract the new number by the original number
310 - 437 = -127
-127 ÷ 437 = -0.2906178489702517
-0.2906178489702517 x 100 = -29.06%