65.58% is the change from 337 to 558
Calculation steps:
[( 558 - 337 ) ÷ 337] x 100 = 65.58%
Formula
Percentage change = [(558 - 337) / 337] x 100
Subtract the new number by the original number
558 - 337 = 221
221 ÷ 337 = 0.655786350148368
0.655786350148368 x 100 = 65.58%