-84.76% is the change from 971 to 148
Calculation steps:
[( 148 - 971 ) ÷ 971] x 100 = -84.76%
Formula
Percentage change = [(148 - 971) / 971] x 100
Subtract the new number by the original number
148 - 971 = -823
-823 ÷ 971 = -0.8475798146240988
-0.8475798146240988 x 100 = -84.76%