217.74% is the change from 310 to 985
Calculation steps:
[( 985 - 310 ) ÷ 310] x 100 = 217.74%
Formula
Percentage change = [(985 - 310) / 310] x 100
Subtract the new number by the original number
985 - 310 = 675
675 ÷ 310 = 2.1774193548387095
2.1774193548387095 x 100 = 217.74%