47.55% is the change from 347 to 512
Calculation steps:
[( 512 - 347 ) ÷ 347] x 100 = 47.55%
Formula
Percentage change = [(512 - 347) / 347] x 100
Subtract the new number by the original number
512 - 347 = 165
165 ÷ 347 = 0.4755043227665706
0.4755043227665706 x 100 = 47.55%