46.45% is the change from 394 to 577
Calculation steps:
[( 577 - 394 ) ÷ 394] x 100 = 46.45%
Formula
Percentage change = [(577 - 394) / 394] x 100
Subtract the new number by the original number
577 - 394 = 183
183 ÷ 394 = 0.46446700507614214
0.46446700507614214 x 100 = 46.45%