46.96% is the change from 345 to 507
Calculation steps:
[( 507 - 345 ) ÷ 345] x 100 = 46.96%
Formula
Percentage change = [(507 - 345) / 345] x 100
Subtract the new number by the original number
507 - 345 = 162
162 ÷ 345 = 0.46956521739130436
0.46956521739130436 x 100 = 46.96%