-63.99% is the change from 797 to 287
Calculation steps:
[( 287 - 797 ) ÷ 797] x 100 = -63.99%
Formula
Percentage change = [(287 - 797) / 797] x 100
Subtract the new number by the original number
287 - 797 = -510
-510 ÷ 797 = -0.6398996235884568
-0.6398996235884568 x 100 = -63.99%