277.78% is the change from 225 to 850
Calculation steps:
[( 850 - 225 ) ÷ 225] x 100 = 277.78%
Formula
Percentage change = [(850 - 225) / 225] x 100
Subtract the new number by the original number
850 - 225 = 625
625 ÷ 225 = 2.7777777777777777
2.7777777777777777 x 100 = 277.78%