-81.46% is the change from 437 to 81
Calculation steps:
[( 81 - 437 ) ÷ 437] x 100 = -81.46%
Formula
Percentage change = [(81 - 437) / 437] x 100
Subtract the new number by the original number
81 - 437 = -356
-356 ÷ 437 = -0.8146453089244852
-0.8146453089244852 x 100 = -81.46%