-99.81% is the change from 534 to 1
Calculation steps:
[( 1 - 534 ) ÷ 534] x 100 = -99.81%
Formula
Percentage change = [(1 - 534) / 534] x 100
Subtract the new number by the original number
1 - 534 = -533
-533 ÷ 534 = -0.99812734082397
-0.99812734082397 x 100 = -99.81%