47.98% is the change from 346 to 512
Calculation steps:
[( 512 - 346 ) ÷ 346] x 100 = 47.98%
Formula
Percentage change = [(512 - 346) / 346] x 100
Subtract the new number by the original number
512 - 346 = 166
166 ÷ 346 = 0.4797687861271676
0.4797687861271676 x 100 = 47.98%