-81.92% is the change from 437 to 79
Calculation steps:
[( 79 - 437 ) ÷ 437] x 100 = -81.92%
Formula
Percentage change = [(79 - 437) / 437] x 100
Subtract the new number by the original number
79 - 437 = -358
-358 ÷ 437 = -0.8192219679633868
-0.8192219679633868 x 100 = -81.92%