9400% is the change from 10 to 950
Calculation steps:
[( 950 - 10 ) ÷ 10] x 100 = 9400%
Formula
Percentage change = [(950 - 10) / 10] x 100
Subtract the new number by the original number
950 - 10 = 940
940 ÷ 10 = 94
94 x 100 = 9400%
Example