215.11% is the change from 311 to 980
Calculation steps:
[( 980 - 311 ) ÷ 311] x 100 = 215.11%
Formula
Percentage change = [(980 - 311) / 311] x 100
Subtract the new number by the original number
980 - 311 = 669
669 ÷ 311 = 2.1511254019292605
2.1511254019292605 x 100 = 215.11%