216.61% is the change from 313 to 991
Calculation steps:
[( 991 - 313 ) ÷ 313] x 100 = 216.61%
Formula
Percentage change = [(991 - 313) / 313] x 100
Subtract the new number by the original number
991 - 313 = 678
678 ÷ 313 = 2.1661341853035143
2.1661341853035143 x 100 = 216.61%