-9.76% is the change from 82 to 74
Calculation steps:
[( 74 - 82 ) ÷ 82] x 100 = -9.76%
Formula
Percentage change = [(74 - 82) / 82] x 100
Subtract the new number by the original number
74 - 82 = -8
-8 ÷ 82 = -0.0975609756097561
-0.0975609756097561 x 100 = -9.76%