-45.85% is the change from 975 to 528
Calculation steps:
[( 528 - 975 ) ÷ 975] x 100 = -45.85%
Formula
Percentage change = [(528 - 975) / 975] x 100
Subtract the new number by the original number
528 - 975 = -447
-447 ÷ 975 = -0.4584615384615385
-0.4584615384615385 x 100 = -45.85%