-42.87% is the change from 975 to 557
Calculation steps:
[( 557 - 975 ) ÷ 975] x 100 = -42.87%
Formula
Percentage change = [(557 - 975) / 975] x 100
Subtract the new number by the original number
557 - 975 = -418
-418 ÷ 975 = -0.4287179487179487
-0.4287179487179487 x 100 = -42.87%