47.75% is the change from 377 to 557
Calculation steps:
[( 557 - 377 ) ÷ 377] x 100 = 47.75%
Formula
Percentage change = [(557 - 377) / 377] x 100
Subtract the new number by the original number
557 - 377 = 180
180 ÷ 377 = 0.47745358090185674
0.47745358090185674 x 100 = 47.75%