271.69% is the change from 166 to 617
Calculation steps:
[( 617 - 166 ) ÷ 166] x 100 = 271.69%
Formula
Percentage change = [(617 - 166) / 166] x 100
Subtract the new number by the original number
617 - 166 = 451
451 ÷ 166 = 2.716867469879518
2.716867469879518 x 100 = 271.69%