262.22% is the change from 270 to 978
Calculation steps:
[( 978 - 270 ) ÷ 270] x 100 = 262.22%
Formula
Percentage change = [(978 - 270) / 270] x 100
Subtract the new number by the original number
978 - 270 = 708
708 ÷ 270 = 2.6222222222222222
2.6222222222222222 x 100 = 262.22%