-58.62% is the change from 870 to 360
Calculation steps:
[( 360 - 870 ) ÷ 870] x 100 = -58.62%
Formula
Percentage change = [(360 - 870) / 870] x 100
Subtract the new number by the original number
360 - 870 = -510
-510 ÷ 870 = -0.5862068965517241
-0.5862068965517241 x 100 = -58.62%