74.5% is the change from 200 to 349
Calculation steps:
[( 349 - 200 ) ÷ 200] x 100 = 74.5%
Formula
Percentage change = [(349 - 200) / 200] x 100
Subtract the new number by the original number
349 - 200 = 149
149 ÷ 200 = 0.745
0.745 x 100 = 74.5%
Example