-84.87% is the change from 390 to 59
Calculation steps:
[( 59 - 390 ) ÷ 390] x 100 = -84.87%
Formula
Percentage change = [(59 - 390) / 390] x 100
Subtract the new number by the original number
59 - 390 = -331
-331 ÷ 390 = -0.8487179487179487
-0.8487179487179487 x 100 = -84.87%