-78.52% is the change from 824 to 177
Calculation steps:
[( 177 - 824 ) ÷ 824] x 100 = -78.52%
Formula
Percentage change = [(177 - 824) / 824] x 100
Subtract the new number by the original number
177 - 824 = -647
-647 ÷ 824 = -0.7851941747572816
-0.7851941747572816 x 100 = -78.52%