-21.44% is the change from 975 to 766
Calculation steps:
[( 766 - 975 ) ÷ 975] x 100 = -21.44%
Formula
Percentage change = [(766 - 975) / 975] x 100
Subtract the new number by the original number
766 - 975 = -209
-209 ÷ 975 = -0.21435897435897436
-0.21435897435897436 x 100 = -21.44%