-11.66% is the change from 609 to 538
Calculation steps:
[( 538 - 609 ) ÷ 609] x 100 = -11.66%
Formula
Percentage change = [(538 - 609) / 609] x 100
Subtract the new number by the original number
538 - 609 = -71
-71 ÷ 609 = -0.11658456486042693
-0.11658456486042693 x 100 = -11.66%