-81.92% is the change from 824 to 149
Calculation steps:
[( 149 - 824 ) ÷ 824] x 100 = -81.92%
Formula
Percentage change = [(149 - 824) / 824] x 100
Subtract the new number by the original number
149 - 824 = -675
-675 ÷ 824 = -0.8191747572815534
-0.8191747572815534 x 100 = -81.92%