-62.64% is the change from 870 to 325
Calculation steps:
[( 325 - 870 ) ÷ 870] x 100 = -62.64%
Formula
Percentage change = [(325 - 870) / 870] x 100
Subtract the new number by the original number
325 - 870 = -545
-545 ÷ 870 = -0.6264367816091954
-0.6264367816091954 x 100 = -62.64%