265.71% is the change from 210 to 768
Calculation steps:
[( 768 - 210 ) ÷ 210] x 100 = 265.71%
Formula
Percentage change = [(768 - 210) / 210] x 100
Subtract the new number by the original number
768 - 210 = 558
558 ÷ 210 = 2.657142857142857
2.657142857142857 x 100 = 265.71%