-5.33% is the change from 920 to 871
Calculation steps:
[( 871 - 920 ) ÷ 920] x 100 = -5.33%
Formula
Percentage change = [(871 - 920) / 920] x 100
Subtract the new number by the original number
871 - 920 = -49
-49 ÷ 920 = -0.05326086956521739
-0.05326086956521739 x 100 = -5.33%