250.8% is the change from 250 to 877
Calculation steps:
[( 877 - 250 ) ÷ 250] x 100 = 250.8%
Formula
Percentage change = [(877 - 250) / 250] x 100
Subtract the new number by the original number
877 - 250 = 627
627 ÷ 250 = 2.508
2.508 x 100 = 250.8%
Example