259.62% is the change from 213 to 766
Calculation steps:
[( 766 - 213 ) ÷ 213] x 100 = 259.62%
Formula
Percentage change = [(766 - 213) / 213] x 100
Subtract the new number by the original number
766 - 213 = 553
553 ÷ 213 = 2.596244131455399
2.596244131455399 x 100 = 259.62%