-38.74% is the change from 870 to 533
Calculation steps:
[( 533 - 870 ) ÷ 870] x 100 = -38.74%
Formula
Percentage change = [(533 - 870) / 870] x 100
Subtract the new number by the original number
533 - 870 = -337
-337 ÷ 870 = -0.3873563218390805
-0.3873563218390805 x 100 = -38.74%