214.79% is the change from 311 to 979
Calculation steps:
[( 979 - 311 ) ÷ 311] x 100 = 214.79%
Formula
Percentage change = [(979 - 311) / 311] x 100
Subtract the new number by the original number
979 - 311 = 668
668 ÷ 311 = 2.147909967845659
2.147909967845659 x 100 = 214.79%