-63.97% is the change from 816 to 294
Calculation steps:
[( 294 - 816 ) ÷ 816] x 100 = -63.97%
Formula
Percentage change = [(294 - 816) / 816] x 100
Subtract the new number by the original number
294 - 816 = -522
-522 ÷ 816 = -0.6397058823529411
-0.6397058823529411 x 100 = -63.97%