305.63% is the change from 213 to 864
Calculation steps:
[( 864 - 213 ) ÷ 213] x 100 = 305.63%
Formula
Percentage change = [(864 - 213) / 213] x 100
Subtract the new number by the original number
864 - 213 = 651
651 ÷ 213 = 3.056338028169014
3.056338028169014 x 100 = 305.63%