-71.77% is the change from 588 to 166
Calculation steps:
[( 166 - 588 ) ÷ 588] x 100 = -71.77%
Formula
Percentage change = [(166 - 588) / 588] x 100
Subtract the new number by the original number
166 - 588 = -422
-422 ÷ 588 = -0.717687074829932
-0.717687074829932 x 100 = -71.77%