263.81% is the change from 210 to 764
Calculation steps:
[( 764 - 210 ) ÷ 210] x 100 = 263.81%
Formula
Percentage change = [(764 - 210) / 210] x 100
Subtract the new number by the original number
764 - 210 = 554
554 ÷ 210 = 2.638095238095238
2.638095238095238 x 100 = 263.81%