-74.63% is the change from 816 to 207
Calculation steps:
[( 207 - 816 ) ÷ 816] x 100 = -74.63%
Formula
Percentage change = [(207 - 816) / 816] x 100
Subtract the new number by the original number
207 - 816 = -609
-609 ÷ 816 = -0.7463235294117647
-0.7463235294117647 x 100 = -74.63%