49.74% is the change from 392 to 587
Calculation steps:
[( 587 - 392 ) ÷ 392] x 100 = 49.74%
Formula
Percentage change = [(587 - 392) / 392] x 100
Subtract the new number by the original number
587 - 392 = 195
195 ÷ 392 = 0.49744897959183676
0.49744897959183676 x 100 = 49.74%