-97.71% is the change from 437 to 10
Calculation steps:
[( 10 - 437 ) ÷ 437] x 100 = -97.71%
Formula
Percentage change = [(10 - 437) / 437] x 100
Subtract the new number by the original number
10 - 437 = -427
-427 ÷ 437 = -0.977116704805492
-0.977116704805492 x 100 = -97.71%