-83.72% is the change from 436 to 71
Calculation steps:
[( 71 - 436 ) ÷ 436] x 100 = -83.72%
Formula
Percentage change = [(71 - 436) / 436] x 100
Subtract the new number by the original number
71 - 436 = -365
-365 ÷ 436 = -0.8371559633027523
-0.8371559633027523 x 100 = -83.72%