943.75% is the change from 80 to 835
Calculation steps:
[( 835 - 80 ) ÷ 80] x 100 = 943.75%
Formula
Percentage change = [(835 - 80) / 80] x 100
Subtract the new number by the original number
835 - 80 = 755
755 ÷ 80 = 9.4375
9.4375 x 100 = 943.75%
Example