-74.85% is the change from 823 to 207
Calculation steps:
[( 207 - 823 ) ÷ 823] x 100 = -74.85%
Formula
Percentage change = [(207 - 823) / 823] x 100
Subtract the new number by the original number
207 - 823 = -616
-616 ÷ 823 = -0.7484811664641555
-0.7484811664641555 x 100 = -74.85%