-83.75% is the change from 437 to 71
Calculation steps:
[( 71 - 437 ) ÷ 437] x 100 = -83.75%
Formula
Percentage change = [(71 - 437) / 437] x 100
Subtract the new number by the original number
71 - 437 = -366
-366 ÷ 437 = -0.8375286041189931
-0.8375286041189931 x 100 = -83.75%