-20.19% is the change from 535 to 427
Calculation steps:
[( 427 - 535 ) ÷ 535] x 100 = -20.19%
Formula
Percentage change = [(427 - 535) / 535] x 100
Subtract the new number by the original number
427 - 535 = -108
-108 ÷ 535 = -0.20186915887850468
-0.20186915887850468 x 100 = -20.19%