349.21% is the change from 126 to 566
Calculation steps:
[( 566 - 126 ) ÷ 126] x 100 = 349.21%
Formula
Percentage change = [(566 - 126) / 126] x 100
Subtract the new number by the original number
566 - 126 = 440
440 ÷ 126 = 3.492063492063492
3.492063492063492 x 100 = 349.21%