-45.52% is the change from 580 to 316
Calculation steps:
[( 316 - 580 ) ÷ 580] x 100 = -45.52%
Formula
Percentage change = [(316 - 580) / 580] x 100
Subtract the new number by the original number
316 - 580 = -264
-264 ÷ 580 = -0.45517241379310347
-0.45517241379310347 x 100 = -45.52%