-74.97% is the change from 831 to 208
Calculation steps:
[( 208 - 831 ) ÷ 831] x 100 = -74.97%
Formula
Percentage change = [(208 - 831) / 831] x 100
Subtract the new number by the original number
208 - 831 = -623
-623 ÷ 831 = -0.7496991576413959
-0.7496991576413959 x 100 = -74.97%