931.25% is the change from 80 to 825
Calculation steps:
[( 825 - 80 ) ÷ 80] x 100 = 931.25%
Formula
Percentage change = [(825 - 80) / 80] x 100
Subtract the new number by the original number
825 - 80 = 745
745 ÷ 80 = 9.3125
9.3125 x 100 = 931.25%
Example