-70.75% is the change from 971 to 284
Calculation steps:
[( 284 - 971 ) ÷ 971] x 100 = -70.75%
Formula
Percentage change = [(284 - 971) / 971] x 100
Subtract the new number by the original number
284 - 971 = -687
-687 ÷ 971 = -0.7075180226570545
-0.7075180226570545 x 100 = -70.75%