-36.03% is the change from 816 to 522
Calculation steps:
[( 522 - 816 ) ÷ 816] x 100 = -36.03%
Formula
Percentage change = [(522 - 816) / 816] x 100
Subtract the new number by the original number
522 - 816 = -294
-294 ÷ 816 = -0.3602941176470588
-0.3602941176470588 x 100 = -36.03%