304.76% is the change from 168 to 680
Calculation steps:
[( 680 - 168 ) ÷ 168] x 100 = 304.76%
Formula
Percentage change = [(680 - 168) / 168] x 100
Subtract the new number by the original number
680 - 168 = 512
512 ÷ 168 = 3.0476190476190474
3.0476190476190474 x 100 = 304.76%