-77.55% is the change from 971 to 218
Calculation steps:
[( 218 - 971 ) ÷ 971] x 100 = -77.55%
Formula
Percentage change = [(218 - 971) / 971] x 100
Subtract the new number by the original number
218 - 971 = -753
-753 ÷ 971 = -0.7754891864057673
-0.7754891864057673 x 100 = -77.55%