212.18% is the change from 312 to 974
Calculation steps:
[( 974 - 312 ) ÷ 312] x 100 = 212.18%
Formula
Percentage change = [(974 - 312) / 312] x 100
Subtract the new number by the original number
974 - 312 = 662
662 ÷ 312 = 2.121794871794872
2.121794871794872 x 100 = 212.18%