-71.74% is the change from 591 to 167
Calculation steps:
[( 167 - 591 ) ÷ 591] x 100 = -71.74%
Formula
Percentage change = [(167 - 591) / 591] x 100
Subtract the new number by the original number
167 - 591 = -424
-424 ÷ 591 = -0.7174280879864636
-0.7174280879864636 x 100 = -71.74%