-41.21% is the change from 580 to 341
Calculation steps:
[( 341 - 580 ) ÷ 580] x 100 = -41.21%
Formula
Percentage change = [(341 - 580) / 580] x 100
Subtract the new number by the original number
341 - 580 = -239
-239 ÷ 580 = -0.41206896551724137
-0.41206896551724137 x 100 = -41.21%