209.97% is the change from 311 to 964
Calculation steps:
[( 964 - 311 ) ÷ 311] x 100 = 209.97%
Formula
Percentage change = [(964 - 311) / 311] x 100
Subtract the new number by the original number
964 - 311 = 653
653 ÷ 311 = 2.09967845659164
2.09967845659164 x 100 = 209.97%