-38.16% is the change from 870 to 538
Calculation steps:
[( 538 - 870 ) ÷ 870] x 100 = -38.16%
Formula
Percentage change = [(538 - 870) / 870] x 100
Subtract the new number by the original number
538 - 870 = -332
-332 ÷ 870 = -0.3816091954022989
-0.3816091954022989 x 100 = -38.16%