-57.47% is the change from 609 to 259
Calculation steps:
[( 259 - 609 ) ÷ 609] x 100 = -57.47%
Formula
Percentage change = [(259 - 609) / 609] x 100
Subtract the new number by the original number
259 - 609 = -350
-350 ÷ 609 = -0.5747126436781609
-0.5747126436781609 x 100 = -57.47%