24.87% is the change from 390 to 487
Calculation steps:
[( 487 - 390 ) ÷ 390] x 100 = 24.87%
Formula
Percentage change = [(487 - 390) / 390] x 100
Subtract the new number by the original number
487 - 390 = 97
97 ÷ 390 = 0.24871794871794872
0.24871794871794872 x 100 = 24.87%