38.26% is the change from 345 to 477
Calculation steps:
[( 477 - 345 ) ÷ 345] x 100 = 38.26%
Formula
Percentage change = [(477 - 345) / 345] x 100
Subtract the new number by the original number
477 - 345 = 132
132 ÷ 345 = 0.3826086956521739
0.3826086956521739 x 100 = 38.26%