294.42% is the change from 215 to 848
Calculation steps:
[( 848 - 215 ) ÷ 215] x 100 = 294.42%
Formula
Percentage change = [(848 - 215) / 215] x 100
Subtract the new number by the original number
848 - 215 = 633
633 ÷ 215 = 2.944186046511628
2.944186046511628 x 100 = 294.42%