387.94% is the change from 199 to 971
Calculation steps:
[( 971 - 199 ) ÷ 199] x 100 = 387.94%
Formula
Percentage change = [(971 - 199) / 199] x 100
Subtract the new number by the original number
971 - 199 = 772
772 ÷ 199 = 3.879396984924623
3.879396984924623 x 100 = 387.94%