-95.42% is the change from 437 to 20
Calculation steps:
[( 20 - 437 ) ÷ 437] x 100 = -95.42%
Formula
Percentage change = [(20 - 437) / 437] x 100
Subtract the new number by the original number
20 - 437 = -417
-417 ÷ 437 = -0.954233409610984
-0.954233409610984 x 100 = -95.42%