344.6% is the change from 213 to 947
Calculation steps:
[( 947 - 213 ) ÷ 213] x 100 = 344.6%
Formula
Percentage change = [(947 - 213) / 213] x 100
Subtract the new number by the original number
947 - 213 = 734
734 ÷ 213 = 3.4460093896713615
3.4460093896713615 x 100 = 344.6%