-80.54% is the change from 591 to 115
Calculation steps:
[( 115 - 591 ) ÷ 591] x 100 = -80.54%
Formula
Percentage change = [(115 - 591) / 591] x 100
Subtract the new number by the original number
115 - 591 = -476
-476 ÷ 591 = -0.805414551607445
-0.805414551607445 x 100 = -80.54%