-42.57% is the change from 888 to 510
Calculation steps:
[( 510 - 888 ) ÷ 888] x 100 = -42.57%
Formula
Percentage change = [(510 - 888) / 888] x 100
Subtract the new number by the original number
510 - 888 = -378
-378 ÷ 888 = -0.42567567567567566
-0.42567567567567566 x 100 = -42.57%