262.59% is the change from 270 to 979
Calculation steps:
[( 979 - 270 ) ÷ 270] x 100 = 262.59%
Formula
Percentage change = [(979 - 270) / 270] x 100
Subtract the new number by the original number
979 - 270 = 709
709 ÷ 270 = 2.6259259259259258
2.6259259259259258 x 100 = 262.59%