275.92% is the change from 245 to 921
Calculation steps:
[( 921 - 245 ) ÷ 245] x 100 = 275.92%
Formula
Percentage change = [(921 - 245) / 245] x 100
Subtract the new number by the original number
921 - 245 = 676
676 ÷ 245 = 2.759183673469388
2.759183673469388 x 100 = 275.92%