-84.62% is the change from 806 to 124
Calculation steps:
[( 124 - 806 ) ÷ 806] x 100 = -84.62%
Formula
Percentage change = [(124 - 806) / 806] x 100
Subtract the new number by the original number
124 - 806 = -682
-682 ÷ 806 = -0.8461538461538461
-0.8461538461538461 x 100 = -84.62%