-97.24% is the change from 653 to 18
Calculation steps:
[( 18 - 653 ) ÷ 653] x 100 = -97.24%
Formula
Percentage change = [(18 - 653) / 653] x 100
Subtract the new number by the original number
18 - 653 = -635
-635 ÷ 653 = -0.9724349157733537
-0.9724349157733537 x 100 = -97.24%