8.98% is the change from 512 to 558
Calculation steps:
[( 558 - 512 ) ÷ 512] x 100 = 8.98%
Formula
Percentage change = [(558 - 512) / 512] x 100
Subtract the new number by the original number
558 - 512 = 46
46 ÷ 512 = 0.08984375
0.08984375 x 100 = 8.98%