216.19% is the change from 210 to 664
Calculation steps:
[( 664 - 210 ) ÷ 210] x 100 = 216.19%
Formula
Percentage change = [(664 - 210) / 210] x 100
Subtract the new number by the original number
664 - 210 = 454
454 ÷ 210 = 2.1619047619047618
2.1619047619047618 x 100 = 216.19%