665.85% is the change from 123 to 942
Calculation steps:
[( 942 - 123 ) ÷ 123] x 100 = 665.85%
Formula
Percentage change = [(942 - 123) / 123] x 100
Subtract the new number by the original number
942 - 123 = 819
819 ÷ 123 = 6.658536585365853
6.658536585365853 x 100 = 665.85%