-77.89% is the change from 977 to 216
Calculation steps:
[( 216 - 977 ) ÷ 977] x 100 = -77.89%
Formula
Percentage change = [(216 - 977) / 977] x 100
Subtract the new number by the original number
216 - 977 = -761
-761 ÷ 977 = -0.7789150460593655
-0.7789150460593655 x 100 = -77.89%