54.06% is the change from 394 to 607
Calculation steps:
[( 607 - 394 ) ÷ 394] x 100 = 54.06%
Formula
Percentage change = [(607 - 394) / 394] x 100
Subtract the new number by the original number
607 - 394 = 213
213 ÷ 394 = 0.5406091370558376
0.5406091370558376 x 100 = 54.06%