-1.54% is the change from 975 to 960
Calculation steps:
[( 960 - 975 ) ÷ 975] x 100 = -1.54%
Formula
Percentage change = [(960 - 975) / 975] x 100
Subtract the new number by the original number
960 - 975 = -15
-15 ÷ 975 = -0.015384615384615385
-0.015384615384615385 x 100 = -1.54%