264.76% is the change from 210 to 766
Calculation steps:
[( 766 - 210 ) ÷ 210] x 100 = 264.76%
Formula
Percentage change = [(766 - 210) / 210] x 100
Subtract the new number by the original number
766 - 210 = 556
556 ÷ 210 = 2.6476190476190475
2.6476190476190475 x 100 = 264.76%