-90.97% is the change from 565 to 51
Calculation steps:
[( 51 - 565 ) ÷ 565] x 100 = -90.97%
Formula
Percentage change = [(51 - 565) / 565] x 100
Subtract the new number by the original number
51 - 565 = -514
-514 ÷ 565 = -0.9097345132743363
-0.9097345132743363 x 100 = -90.97%