9700% is the change from 10 to 980
Calculation steps:
[( 980 - 10 ) ÷ 10] x 100 = 9700%
Formula
Percentage change = [(980 - 10) / 10] x 100
Subtract the new number by the original number
980 - 10 = 970
970 ÷ 10 = 97
97 x 100 = 9700%
Example