-84.14% is the change from 971 to 154
Calculation steps:
[( 154 - 971 ) ÷ 971] x 100 = -84.14%
Formula
Percentage change = [(154 - 971) / 971] x 100
Subtract the new number by the original number
154 - 971 = -817
-817 ÷ 971 = -0.8414006179196705
-0.8414006179196705 x 100 = -84.14%