-77.77% is the change from 976 to 217
Calculation steps:
[( 217 - 976 ) ÷ 976] x 100 = -77.77%
Formula
Percentage change = [(217 - 976) / 976] x 100
Subtract the new number by the original number
217 - 976 = -759
-759 ÷ 976 = -0.7776639344262295
-0.7776639344262295 x 100 = -77.77%