268.1% is the change from 210 to 773
Calculation steps:
[( 773 - 210 ) ÷ 210] x 100 = 268.1%
Formula
Percentage change = [(773 - 210) / 210] x 100
Subtract the new number by the original number
773 - 210 = 563
563 ÷ 210 = 2.6809523809523808
2.6809523809523808 x 100 = 268.1%