274.39% is the change from 164 to 614
Calculation steps:
[( 614 - 164 ) ÷ 164] x 100 = 274.39%
Formula
Percentage change = [(614 - 164) / 164] x 100
Subtract the new number by the original number
614 - 164 = 450
450 ÷ 164 = 2.7439024390243905
2.7439024390243905 x 100 = 274.39%