-59.59% is the change from 641 to 259
Calculation steps:
[( 259 - 641 ) ÷ 641] x 100 = -59.59%
Formula
Percentage change = [(259 - 641) / 641] x 100
Subtract the new number by the original number
259 - 641 = -382
-382 ÷ 641 = -0.5959438377535101
-0.5959438377535101 x 100 = -59.59%