-71.73% is the change from 771 to 218
Calculation steps:
[( 218 - 771 ) ÷ 771] x 100 = -71.73%
Formula
Percentage change = [(218 - 771) / 771] x 100
Subtract the new number by the original number
218 - 771 = -553
-553 ÷ 771 = -0.7172503242542153
-0.7172503242542153 x 100 = -71.73%