255.47% is the change from 274 to 974
Calculation steps:
[( 974 - 274 ) ÷ 274] x 100 = 255.47%
Formula
Percentage change = [(974 - 274) / 274] x 100
Subtract the new number by the original number
974 - 274 = 700
700 ÷ 274 = 2.5547445255474455
2.5547445255474455 x 100 = 255.47%