4400% is the change from 7 to 315
Calculation steps:
[( 315 - 7 ) ÷ 7] x 100 = 4400%
Formula
Percentage change = [(315 - 7) / 7] x 100
Subtract the new number by the original number
315 - 7 = 308
308 ÷ 7 = 44
44 x 100 = 4400%
Example