-14.83% is the change from 971 to 827
Calculation steps:
[( 827 - 971 ) ÷ 971] x 100 = -14.83%
Formula
Percentage change = [(827 - 971) / 971] x 100
Subtract the new number by the original number
827 - 971 = -144
-144 ÷ 971 = -0.14830072090628219
-0.14830072090628219 x 100 = -14.83%