823.53% is the change from 102 to 942
Calculation steps:
[( 942 - 102 ) ÷ 102] x 100 = 823.53%
Formula
Percentage change = [(942 - 102) / 102] x 100
Subtract the new number by the original number
942 - 102 = 840
840 ÷ 102 = 8.235294117647058
8.235294117647058 x 100 = 823.53%