839.6% is the change from 101 to 949
Calculation steps:
[( 949 - 101 ) ÷ 101] x 100 = 839.6%
Formula
Percentage change = [(949 - 101) / 101] x 100
Subtract the new number by the original number
949 - 101 = 848
848 ÷ 101 = 8.396039603960396
8.396039603960396 x 100 = 839.6%