903.75% is the change from 80 to 803
Calculation steps:
[( 803 - 80 ) ÷ 80] x 100 = 903.75%
Formula
Percentage change = [(803 - 80) / 80] x 100
Subtract the new number by the original number
803 - 80 = 723
723 ÷ 80 = 9.0375
9.0375 x 100 = 903.75%
Example