-66.26% is the change from 975 to 329
Calculation steps:
[( 329 - 975 ) ÷ 975] x 100 = -66.26%
Formula
Percentage change = [(329 - 975) / 975] x 100
Subtract the new number by the original number
329 - 975 = -646
-646 ÷ 975 = -0.6625641025641026
-0.6625641025641026 x 100 = -66.26%