-57.13% is the change from 870 to 373
Calculation steps:
[( 373 - 870 ) ÷ 870] x 100 = -57.13%
Formula
Percentage change = [(373 - 870) / 870] x 100
Subtract the new number by the original number
373 - 870 = -497
-497 ÷ 870 = -0.5712643678160919
-0.5712643678160919 x 100 = -57.13%