260.75% is the change from 186 to 671
Calculation steps:
[( 671 - 186 ) ÷ 186] x 100 = 260.75%
Formula
Percentage change = [(671 - 186) / 186] x 100
Subtract the new number by the original number
671 - 186 = 485
485 ÷ 186 = 2.60752688172043
2.60752688172043 x 100 = 260.75%
Example