-98.04% is the change from 971 to 19
Calculation steps:
[( 19 - 971 ) ÷ 971] x 100 = -98.04%
Formula
Percentage change = [(19 - 971) / 971] x 100
Subtract the new number by the original number
19 - 971 = -952
-952 ÷ 971 = -0.98043254376931
-0.98043254376931 x 100 = -98.04%