385.71% is the change from 126 to 612
Calculation steps:
[( 612 - 126 ) ÷ 126] x 100 = 385.71%
Formula
Percentage change = [(612 - 126) / 126] x 100
Subtract the new number by the original number
612 - 126 = 486
486 ÷ 126 = 3.857142857142857
3.857142857142857 x 100 = 385.71%