215.83% is the change from 278 to 878
Calculation steps:
[( 878 - 278 ) ÷ 278] x 100 = 215.83%
Formula
Percentage change = [(878 - 278) / 278] x 100
Subtract the new number by the original number
878 - 278 = 600
600 ÷ 278 = 2.158273381294964
2.158273381294964 x 100 = 215.83%