-86.7% is the change from 534 to 71
Calculation steps:
[( 71 - 534 ) ÷ 534] x 100 = -86.7%
Formula
Percentage change = [(71 - 534) / 534] x 100
Subtract the new number by the original number
71 - 534 = -463
-463 ÷ 534 = -0.8670411985018727
-0.8670411985018727 x 100 = -86.7%