-80.55% is the change from 437 to 85
Calculation steps:
[( 85 - 437 ) ÷ 437] x 100 = -80.55%
Formula
Percentage change = [(85 - 437) / 437] x 100
Subtract the new number by the original number
85 - 437 = -352
-352 ÷ 437 = -0.8054919908466819
-0.8054919908466819 x 100 = -80.55%