49.48% is the change from 386 to 577
Calculation steps:
[( 577 - 386 ) ÷ 386] x 100 = 49.48%
Formula
Percentage change = [(577 - 386) / 386] x 100
Subtract the new number by the original number
577 - 386 = 191
191 ÷ 386 = 0.4948186528497409
0.4948186528497409 x 100 = 49.48%