215.59% is the change from 263 to 830
Calculation steps:
[( 830 - 263 ) ÷ 263] x 100 = 215.59%
Formula
Percentage change = [(830 - 263) / 263] x 100
Subtract the new number by the original number
830 - 263 = 567
567 ÷ 263 = 2.155893536121673
2.155893536121673 x 100 = 215.59%