163.6% is the change from 261 to 688
Calculation steps:
[( 688 - 261 ) ÷ 261] x 100 = 163.6%
Formula
Percentage change = [(688 - 261) / 261] x 100
Subtract the new number by the original number
688 - 261 = 427
427 ÷ 261 = 1.6360153256704981
1.6360153256704981 x 100 = 163.6%