-92.13% is the change from 534 to 42
Calculation steps:
[( 42 - 534 ) ÷ 534] x 100 = -92.13%
Formula
Percentage change = [(42 - 534) / 534] x 100
Subtract the new number by the original number
42 - 534 = -492
-492 ÷ 534 = -0.9213483146067416
-0.9213483146067416 x 100 = -92.13%