-41.75% is the change from 836 to 487
Calculation steps:
[( 487 - 836 ) ÷ 836] x 100 = -41.75%
Formula
Percentage change = [(487 - 836) / 836] x 100
Subtract the new number by the original number
487 - 836 = -349
-349 ÷ 836 = -0.41746411483253587
-0.41746411483253587 x 100 = -41.75%