-63.73% is the change from 816 to 296
Calculation steps:
[( 296 - 816 ) ÷ 816] x 100 = -63.73%
Formula
Percentage change = [(296 - 816) / 816] x 100
Subtract the new number by the original number
296 - 816 = -520
-520 ÷ 816 = -0.6372549019607843
-0.6372549019607843 x 100 = -63.73%