-69.33% is the change from 538 to 165
Calculation steps:
[( 165 - 538 ) ÷ 538] x 100 = -69.33%
Formula
Percentage change = [(165 - 538) / 538] x 100
Subtract the new number by the original number
165 - 538 = -373
-373 ÷ 538 = -0.6933085501858736
-0.6933085501858736 x 100 = -69.33%