-99.31% is the change from 437 to 3
Calculation steps:
[( 3 - 437 ) ÷ 437] x 100 = -99.31%
Formula
Percentage change = [(3 - 437) / 437] x 100
Subtract the new number by the original number
3 - 437 = -434
-434 ÷ 437 = -0.9931350114416476
-0.9931350114416476 x 100 = -99.31%