-4.21% is the change from 975 to 934
Calculation steps:
[( 934 - 975 ) ÷ 975] x 100 = -4.21%
Formula
Percentage change = [(934 - 975) / 975] x 100
Subtract the new number by the original number
934 - 975 = -41
-41 ÷ 975 = -0.04205128205128205
-0.04205128205128205 x 100 = -4.21%