-94.63% is the change from 559 to 30
Calculation steps:
[( 30 - 559 ) ÷ 559] x 100 = -94.63%
Formula
Percentage change = [(30 - 559) / 559] x 100
Subtract the new number by the original number
30 - 559 = -529
-529 ÷ 559 = -0.9463327370304114
-0.9463327370304114 x 100 = -94.63%