-14.95% is the change from 970 to 825
Calculation steps:
[( 825 - 970 ) ÷ 970] x 100 = -14.95%
Formula
Percentage change = [(825 - 970) / 970] x 100
Subtract the new number by the original number
825 - 970 = -145
-145 ÷ 970 = -0.14948453608247422
-0.14948453608247422 x 100 = -14.95%