246.94% is the change from 245 to 850
Calculation steps:
[( 850 - 245 ) ÷ 245] x 100 = 246.94%
Formula
Percentage change = [(850 - 245) / 245] x 100
Subtract the new number by the original number
850 - 245 = 605
605 ÷ 245 = 2.4693877551020407
2.4693877551020407 x 100 = 246.94%