-76.99% is the change from 591 to 136
Calculation steps:
[( 136 - 591 ) ÷ 591] x 100 = -76.99%
Formula
Percentage change = [(136 - 591) / 591] x 100
Subtract the new number by the original number
136 - 591 = -455
-455 ÷ 591 = -0.7698815566835872
-0.7698815566835872 x 100 = -76.99%