-85.13% is the change from 390 to 58
Calculation steps:
[( 58 - 390 ) ÷ 390] x 100 = -85.13%
Formula
Percentage change = [(58 - 390) / 390] x 100
Subtract the new number by the original number
58 - 390 = -332
-332 ÷ 390 = -0.8512820512820513
-0.8512820512820513 x 100 = -85.13%