-15.12% is the change from 972 to 825
Calculation steps:
[( 825 - 972 ) ÷ 972] x 100 = -15.12%
Formula
Percentage change = [(825 - 972) / 972] x 100
Subtract the new number by the original number
825 - 972 = -147
-147 ÷ 972 = -0.15123456790123457
-0.15123456790123457 x 100 = -15.12%