-93.09% is the change from 651 to 45
Calculation steps:
[( 45 - 651 ) ÷ 651] x 100 = -93.09%
Formula
Percentage change = [(45 - 651) / 651] x 100
Subtract the new number by the original number
45 - 651 = -606
-606 ÷ 651 = -0.9308755760368663
-0.9308755760368663 x 100 = -93.09%