930.12% is the change from 83 to 855
Calculation steps:
[( 855 - 83 ) ÷ 83] x 100 = 930.12%
Formula
Percentage change = [(855 - 83) / 83] x 100
Subtract the new number by the original number
855 - 83 = 772
772 ÷ 83 = 9.301204819277109
9.301204819277109 x 100 = 930.12%