-91.44% is the change from 596 to 51
Calculation steps:
[( 51 - 596 ) ÷ 596] x 100 = -91.44%
Formula
Percentage change = [(51 - 596) / 596] x 100
Subtract the new number by the original number
51 - 596 = -545
-545 ÷ 596 = -0.9144295302013423
-0.9144295302013423 x 100 = -91.44%