346.98% is the change from 149 to 666
Calculation steps:
[( 666 - 149 ) ÷ 149] x 100 = 346.98%
Formula
Percentage change = [(666 - 149) / 149] x 100
Subtract the new number by the original number
666 - 149 = 517
517 ÷ 149 = 3.469798657718121
3.469798657718121 x 100 = 346.98%