6.84% is the change from 512 to 547
Calculation steps:
[( 547 - 512 ) ÷ 512] x 100 = 6.84%
Formula
Percentage change = [(547 - 512) / 512] x 100
Subtract the new number by the original number
547 - 512 = 35
35 ÷ 512 = 0.068359375
0.068359375 x 100 = 6.84%