-90.78% is the change from 553 to 51
Calculation steps:
[( 51 - 553 ) ÷ 553] x 100 = -90.78%
Formula
Percentage change = [(51 - 553) / 553] x 100
Subtract the new number by the original number
51 - 553 = -502
-502 ÷ 553 = -0.9077757685352622
-0.9077757685352622 x 100 = -90.78%