-91.47% is the change from 598 to 51
Calculation steps:
[( 51 - 598 ) ÷ 598] x 100 = -91.47%
Formula
Percentage change = [(51 - 598) / 598] x 100
Subtract the new number by the original number
51 - 598 = -547
-547 ÷ 598 = -0.9147157190635451
-0.9147157190635451 x 100 = -91.47%