-78.1% is the change from 977 to 214
Calculation steps:
[( 214 - 977 ) ÷ 977] x 100 = -78.1%
Formula
Percentage change = [(214 - 977) / 977] x 100
Subtract the new number by the original number
214 - 977 = -763
-763 ÷ 977 = -0.7809621289662231
-0.7809621289662231 x 100 = -78.1%