274.39% is the change from 246 to 921
Calculation steps:
[( 921 - 246 ) ÷ 246] x 100 = 274.39%
Formula
Percentage change = [(921 - 246) / 246] x 100
Subtract the new number by the original number
921 - 246 = 675
675 ÷ 246 = 2.7439024390243905
2.7439024390243905 x 100 = 274.39%