-96.11% is the change from 437 to 17
Calculation steps:
[( 17 - 437 ) ÷ 437] x 100 = -96.11%
Formula
Percentage change = [(17 - 437) / 437] x 100
Subtract the new number by the original number
17 - 437 = -420
-420 ÷ 437 = -0.9610983981693364
-0.9610983981693364 x 100 = -96.11%