248.89% is the change from 270 to 942
Calculation steps:
[( 942 - 270 ) ÷ 270] x 100 = 248.89%
Formula
Percentage change = [(942 - 270) / 270] x 100
Subtract the new number by the original number
942 - 270 = 672
672 ÷ 270 = 2.488888888888889
2.488888888888889 x 100 = 248.89%