297.62% is the change from 168 to 668
Calculation steps:
[( 668 - 168 ) ÷ 168] x 100 = 297.62%
Formula
Percentage change = [(668 - 168) / 168] x 100
Subtract the new number by the original number
668 - 168 = 500
500 ÷ 168 = 2.9761904761904763
2.9761904761904763 x 100 = 297.62%