-5.96% is the change from 872 to 820
Calculation steps:
[( 820 - 872 ) ÷ 872] x 100 = -5.96%
Formula
Percentage change = [(820 - 872) / 872] x 100
Subtract the new number by the original number
820 - 872 = -52
-52 ÷ 872 = -0.05963302752293578
-0.05963302752293578 x 100 = -5.96%