6971.43% is the change from 7 to 495
Calculation steps:
[( 495 - 7 ) ÷ 7] x 100 = 6971.43%
Formula
Percentage change = [(495 - 7) / 7] x 100
Subtract the new number by the original number
495 - 7 = 488
488 ÷ 7 = 69.71428571428571
69.71428571428571 x 100 = 6971.43%