-1.85% is the change from 975 to 957
Calculation steps:
[( 957 - 975 ) ÷ 975] x 100 = -1.85%
Formula
Percentage change = [(957 - 975) / 975] x 100
Subtract the new number by the original number
957 - 975 = -18
-18 ÷ 975 = -0.018461538461538463
-0.018461538461538463 x 100 = -1.85%