-91.25% is the change from 583 to 51
Calculation steps:
[( 51 - 583 ) ÷ 583] x 100 = -91.25%
Formula
Percentage change = [(51 - 583) / 583] x 100
Subtract the new number by the original number
51 - 583 = -532
-532 ÷ 583 = -0.9125214408233276
-0.9125214408233276 x 100 = -91.25%