241.77% is the change from 249 to 851
Calculation steps:
[( 851 - 249 ) ÷ 249] x 100 = 241.77%
Formula
Percentage change = [(851 - 249) / 249] x 100
Subtract the new number by the original number
851 - 249 = 602
602 ÷ 249 = 2.4176706827309236
2.4176706827309236 x 100 = 241.77%