-55.79% is the change from 975 to 431
Calculation steps:
[( 431 - 975 ) ÷ 975] x 100 = -55.79%
Formula
Percentage change = [(431 - 975) / 975] x 100
Subtract the new number by the original number
431 - 975 = -544
-544 ÷ 975 = -0.5579487179487179
-0.5579487179487179 x 100 = -55.79%