-76.11% is the change from 879 to 210
Calculation steps:
[( 210 - 879 ) ÷ 879] x 100 = -76.11%
Formula
Percentage change = [(210 - 879) / 879] x 100
Subtract the new number by the original number
210 - 879 = -669
-669 ÷ 879 = -0.7610921501706485
-0.7610921501706485 x 100 = -76.11%