-37.82% is the change from 870 to 541
Calculation steps:
[( 541 - 870 ) ÷ 870] x 100 = -37.82%
Formula
Percentage change = [(541 - 870) / 870] x 100
Subtract the new number by the original number
541 - 870 = -329
-329 ÷ 870 = -0.3781609195402299
-0.3781609195402299 x 100 = -37.82%