-71.95% is the change from 82 to 23
Calculation steps:
[( 23 - 82 ) ÷ 82] x 100 = -71.95%
Formula
Percentage change = [(23 - 82) / 82] x 100
Subtract the new number by the original number
23 - 82 = -59
-59 ÷ 82 = -0.7195121951219512
-0.7195121951219512 x 100 = -71.95%