45.09% is the change from 346 to 502
Calculation steps:
[( 502 - 346 ) ÷ 346] x 100 = 45.09%
Formula
Percentage change = [(502 - 346) / 346] x 100
Subtract the new number by the original number
502 - 346 = 156
156 ÷ 346 = 0.4508670520231214
0.4508670520231214 x 100 = 45.09%