217.1% is the change from 310 to 983
Calculation steps:
[( 983 - 310 ) ÷ 310] x 100 = 217.1%
Formula
Percentage change = [(983 - 310) / 310] x 100
Subtract the new number by the original number
983 - 310 = 673
673 ÷ 310 = 2.170967741935484
2.170967741935484 x 100 = 217.1%