-84.95% is the change from 824 to 124
Calculation steps:
[( 124 - 824 ) ÷ 824] x 100 = -84.95%
Formula
Percentage change = [(124 - 824) / 824] x 100
Subtract the new number by the original number
124 - 824 = -700
-700 ÷ 824 = -0.8495145631067961
-0.8495145631067961 x 100 = -84.95%