227.44% is the change from 215 to 704
Calculation steps:
[( 704 - 215 ) ÷ 215] x 100 = 227.44%
Formula
Percentage change = [(704 - 215) / 215] x 100
Subtract the new number by the original number
704 - 215 = 489
489 ÷ 215 = 2.2744186046511627
2.2744186046511627 x 100 = 227.44%