-21.64% is the change from 975 to 764
Calculation steps:
[( 764 - 975 ) ÷ 975] x 100 = -21.64%
Formula
Percentage change = [(764 - 975) / 975] x 100
Subtract the new number by the original number
764 - 975 = -211
-211 ÷ 975 = -0.2164102564102564
-0.2164102564102564 x 100 = -21.64%