-58.23% is the change from 620 to 259
Calculation steps:
[( 259 - 620 ) ÷ 620] x 100 = -58.23%
Formula
Percentage change = [(259 - 620) / 620] x 100
Subtract the new number by the original number
259 - 620 = -361
-361 ÷ 620 = -0.582258064516129
-0.582258064516129 x 100 = -58.23%