228.97% is the change from 214 to 704
Calculation steps:
[( 704 - 214 ) ÷ 214] x 100 = 228.97%
Formula
Percentage change = [(704 - 214) / 214] x 100
Subtract the new number by the original number
704 - 214 = 490
490 ÷ 214 = 2.289719626168224
2.289719626168224 x 100 = 228.97%