47.19% is the change from 392 to 577
Calculation steps:
[( 577 - 392 ) ÷ 392] x 100 = 47.19%
Formula
Percentage change = [(577 - 392) / 392] x 100
Subtract the new number by the original number
577 - 392 = 185
185 ÷ 392 = 0.4719387755102041
0.4719387755102041 x 100 = 47.19%