-75.88% is the change from 879 to 212
Calculation steps:
[( 212 - 879 ) ÷ 879] x 100 = -75.88%
Formula
Percentage change = [(212 - 879) / 879] x 100
Subtract the new number by the original number
212 - 879 = -667
-667 ÷ 879 = -0.7588168373151308
-0.7588168373151308 x 100 = -75.88%