-73.94% is the change from 591 to 154
Calculation steps:
[( 154 - 591 ) ÷ 591] x 100 = -73.94%
Formula
Percentage change = [(154 - 591) / 591] x 100
Subtract the new number by the original number
154 - 591 = -437
-437 ÷ 591 = -0.739424703891709
-0.739424703891709 x 100 = -73.94%