252.08% is the change from 240 to 845
Calculation steps:
[( 845 - 240 ) ÷ 240] x 100 = 252.08%
Formula
Percentage change = [(845 - 240) / 240] x 100
Subtract the new number by the original number
845 - 240 = 605
605 ÷ 240 = 2.5208333333333335
2.5208333333333335 x 100 = 252.08%