-70.17% is the change from 657 to 196
Calculation steps:
[( 196 - 657 ) ÷ 657] x 100 = -70.17%
Formula
Percentage change = [(196 - 657) / 657] x 100
Subtract the new number by the original number
196 - 657 = -461
-461 ÷ 657 = -0.7016742770167428
-0.7016742770167428 x 100 = -70.17%