50.65% is the change from 383 to 577
Calculation steps:
[( 577 - 383 ) ÷ 383] x 100 = 50.65%
Formula
Percentage change = [(577 - 383) / 383] x 100
Subtract the new number by the original number
577 - 383 = 194
194 ÷ 383 = 0.5065274151436031
0.5065274151436031 x 100 = 50.65%