-57.54% is the change from 610 to 259
Calculation steps:
[( 259 - 610 ) ÷ 610] x 100 = -57.54%
Formula
Percentage change = [(259 - 610) / 610] x 100
Subtract the new number by the original number
259 - 610 = -351
-351 ÷ 610 = -0.5754098360655737
-0.5754098360655737 x 100 = -57.54%