-65.52% is the change from 815 to 281
Calculation steps:
[( 281 - 815 ) ÷ 815] x 100 = -65.52%
Formula
Percentage change = [(281 - 815) / 815] x 100
Subtract the new number by the original number
281 - 815 = -534
-534 ÷ 815 = -0.6552147239263804
-0.6552147239263804 x 100 = -65.52%