217.36% is the change from 311 to 987
Calculation steps:
[( 987 - 311 ) ÷ 311] x 100 = 217.36%
Formula
Percentage change = [(987 - 311) / 311] x 100
Subtract the new number by the original number
987 - 311 = 676
676 ÷ 311 = 2.1736334405144695
2.1736334405144695 x 100 = 217.36%