-25.37% is the change from 816 to 609
Calculation steps:
[( 609 - 816 ) ÷ 816] x 100 = -25.37%
Formula
Percentage change = [(609 - 816) / 816] x 100
Subtract the new number by the original number
609 - 816 = -207
-207 ÷ 816 = -0.2536764705882353
-0.2536764705882353 x 100 = -25.37%