851.52% is the change from 99 to 942
Calculation steps:
[( 942 - 99 ) ÷ 99] x 100 = 851.52%
Formula
Percentage change = [(942 - 99) / 99] x 100
Subtract the new number by the original number
942 - 99 = 843
843 ÷ 99 = 8.515151515151516
8.515151515151516 x 100 = 851.52%