219.52% is the change from 210 to 671
Calculation steps:
[( 671 - 210 ) ÷ 210] x 100 = 219.52%
Formula
Percentage change = [(671 - 210) / 210] x 100
Subtract the new number by the original number
671 - 210 = 461
461 ÷ 210 = 2.1952380952380954
2.1952380952380954 x 100 = 219.52%