-69.88% is the change from 83 to 25
Calculation steps:
[( 25 - 83 ) ÷ 83] x 100 = -69.88%
Formula
Percentage change = [(25 - 83) / 83] x 100
Subtract the new number by the original number
25 - 83 = -58
-58 ÷ 83 = -0.6987951807228916
-0.6987951807228916 x 100 = -69.88%