42.71% is the change from 391 to 558
Calculation steps:
[( 558 - 391 ) ÷ 391] x 100 = 42.71%
Formula
Percentage change = [(558 - 391) / 391] x 100
Subtract the new number by the original number
558 - 391 = 167
167 ÷ 391 = 0.42710997442455245
0.42710997442455245 x 100 = 42.71%