291.32% is the change from 242 to 947
Calculation steps:
[( 947 - 242 ) ÷ 242] x 100 = 291.32%
Formula
Percentage change = [(947 - 242) / 242] x 100
Subtract the new number by the original number
947 - 242 = 705
705 ÷ 242 = 2.9132231404958677
2.9132231404958677 x 100 = 291.32%