-96.65% is the change from 657 to 22
Calculation steps:
[( 22 - 657 ) ÷ 657] x 100 = -96.65%
Formula
Percentage change = [(22 - 657) / 657] x 100
Subtract the new number by the original number
22 - 657 = -635
-635 ÷ 657 = -0.9665144596651446
-0.9665144596651446 x 100 = -96.65%