216.79% is the change from 262 to 830
Calculation steps:
[( 830 - 262 ) ÷ 262] x 100 = 216.79%
Formula
Percentage change = [(830 - 262) / 262] x 100
Subtract the new number by the original number
830 - 262 = 568
568 ÷ 262 = 2.16793893129771
2.16793893129771 x 100 = 216.79%