-83.26% is the change from 436 to 73
Calculation steps:
[( 73 - 436 ) ÷ 436] x 100 = -83.26%
Formula
Percentage change = [(73 - 436) / 436] x 100
Subtract the new number by the original number
73 - 436 = -363
-363 ÷ 436 = -0.8325688073394495
-0.8325688073394495 x 100 = -83.26%