-23.43% is the change from 636 to 487
Calculation steps:
[( 487 - 636 ) ÷ 636] x 100 = -23.43%
Formula
Percentage change = [(487 - 636) / 636] x 100
Subtract the new number by the original number
487 - 636 = -149
-149 ÷ 636 = -0.23427672955974843
-0.23427672955974843 x 100 = -23.43%