-65.73% is the change from 820 to 281
Calculation steps:
[( 281 - 820 ) ÷ 820] x 100 = -65.73%
Formula
Percentage change = [(281 - 820) / 820] x 100
Subtract the new number by the original number
281 - 820 = -539
-539 ÷ 820 = -0.6573170731707317
-0.6573170731707317 x 100 = -65.73%