149.57% is the change from 349 to 871
Calculation steps:
[( 871 - 349 ) ÷ 349] x 100 = 149.57%
Formula
Percentage change = [(871 - 349) / 349] x 100
Subtract the new number by the original number
871 - 349 = 522
522 ÷ 349 = 1.495702005730659
1.495702005730659 x 100 = 149.57%