-14.63% is the change from 82 to 70
Calculation steps:
[( 70 - 82 ) ÷ 82] x 100 = -14.63%
Formula
Percentage change = [(70 - 82) / 82] x 100
Subtract the new number by the original number
70 - 82 = -12
-12 ÷ 82 = -0.14634146341463414
-0.14634146341463414 x 100 = -14.63%