-42% is the change from 881 to 511
Calculation steps:
[( 511 - 881 ) ÷ 881] x 100 = -42%
Formula
Percentage change = [(511 - 881) / 881] x 100
Subtract the new number by the original number
511 - 881 = -370
-370 ÷ 881 = -0.4199772985244041
-0.4199772985244041 x 100 = -42%