-42.7% is the change from 972 to 557
Calculation steps:
[( 557 - 972 ) ÷ 972] x 100 = -42.7%
Formula
Percentage change = [(557 - 972) / 972] x 100
Subtract the new number by the original number
557 - 972 = -415
-415 ÷ 972 = -0.4269547325102881
-0.4269547325102881 x 100 = -42.7%