186.5% is the change from 311 to 891
Calculation steps:
[( 891 - 311 ) ÷ 311] x 100 = 186.5%
Formula
Percentage change = [(891 - 311) / 311] x 100
Subtract the new number by the original number
891 - 311 = 580
580 ÷ 311 = 1.864951768488746
1.864951768488746 x 100 = 186.5%