-52.05% is the change from 876 to 420
Calculation steps:
[( 420 - 876 ) ÷ 876] x 100 = -52.05%
Formula
Percentage change = [(420 - 876) / 876] x 100
Subtract the new number by the original number
420 - 876 = -456
-456 ÷ 876 = -0.5205479452054794
-0.5205479452054794 x 100 = -52.05%