905.95% is the change from 84 to 845
Calculation steps:
[( 845 - 84 ) ÷ 84] x 100 = 905.95%
Formula
Percentage change = [(845 - 84) / 84] x 100
Subtract the new number by the original number
845 - 84 = 761
761 ÷ 84 = 9.05952380952381
9.05952380952381 x 100 = 905.95%