129.21% is the change from 267 to 612
Calculation steps:
[( 612 - 267 ) ÷ 267] x 100 = 129.21%
Formula
Percentage change = [(612 - 267) / 267] x 100
Subtract the new number by the original number
612 - 267 = 345
345 ÷ 267 = 1.2921348314606742
1.2921348314606742 x 100 = 129.21%