43.43% is the change from 350 to 502
Calculation steps:
[( 502 - 350 ) ÷ 350] x 100 = 43.43%
Formula
Percentage change = [(502 - 350) / 350] x 100
Subtract the new number by the original number
502 - 350 = 152
152 ÷ 350 = 0.4342857142857143
0.4342857142857143 x 100 = 43.43%