161.54% is the change from 260 to 680
Calculation steps:
[( 680 - 260 ) ÷ 260] x 100 = 161.54%
Formula
Percentage change = [(680 - 260) / 260] x 100
Subtract the new number by the original number
680 - 260 = 420
420 ÷ 260 = 1.6153846153846154
1.6153846153846154 x 100 = 161.54%