-77.69% is the change from 977 to 218
Calculation steps:
[( 218 - 977 ) ÷ 977] x 100 = -77.69%
Formula
Percentage change = [(218 - 977) / 977] x 100
Subtract the new number by the original number
218 - 977 = -759
-759 ÷ 977 = -0.7768679631525077
-0.7768679631525077 x 100 = -77.69%