-7.31% is the change from 971 to 900
Calculation steps:
[( 900 - 971 ) ÷ 971] x 100 = -7.31%
Formula
Percentage change = [(900 - 971) / 971] x 100
Subtract the new number by the original number
900 - 971 = -71
-71 ÷ 971 = -0.07312049433573635
-0.07312049433573635 x 100 = -7.31%