-34.15% is the change from 609 to 401
Calculation steps:
[( 401 - 609 ) ÷ 609] x 100 = -34.15%
Formula
Percentage change = [(401 - 609) / 609] x 100
Subtract the new number by the original number
401 - 609 = -208
-208 ÷ 609 = -0.3415435139573071
-0.3415435139573071 x 100 = -34.15%