24.55% is the change from 391 to 487
Calculation steps:
[( 487 - 391 ) ÷ 391] x 100 = 24.55%
Formula
Percentage change = [(487 - 391) / 391] x 100
Subtract the new number by the original number
487 - 391 = 96
96 ÷ 391 = 0.24552429667519182
0.24552429667519182 x 100 = 24.55%