-67.07% is the change from 82 to 27
Calculation steps:
[( 27 - 82 ) ÷ 82] x 100 = -67.07%
Formula
Percentage change = [(27 - 82) / 82] x 100
Subtract the new number by the original number
27 - 82 = -55
-55 ÷ 82 = -0.6707317073170732
-0.6707317073170732 x 100 = -67.07%