211.51% is the change from 304 to 947
Calculation steps:
[( 947 - 304 ) ÷ 304] x 100 = 211.51%
Formula
Percentage change = [(947 - 304) / 304] x 100
Subtract the new number by the original number
947 - 304 = 643
643 ÷ 304 = 2.1151315789473686
2.1151315789473686 x 100 = 211.51%