-35.65% is the change from 819 to 527
Calculation steps:
[( 527 - 819 ) ÷ 819] x 100 = -35.65%
Formula
Percentage change = [(527 - 819) / 819] x 100
Subtract the new number by the original number
527 - 819 = -292
-292 ÷ 819 = -0.35653235653235654
-0.35653235653235654 x 100 = -35.65%