-40.02% is the change from 877 to 526
Calculation steps:
[( 526 - 877 ) ÷ 877] x 100 = -40.02%
Formula
Percentage change = [(526 - 877) / 877] x 100
Subtract the new number by the original number
526 - 877 = -351
-351 ÷ 877 = -0.40022805017103763
-0.40022805017103763 x 100 = -40.02%