-21.77% is the change from 657 to 514
Calculation steps:
[( 514 - 657 ) ÷ 657] x 100 = -21.77%
Formula
Percentage change = [(514 - 657) / 657] x 100
Subtract the new number by the original number
514 - 657 = -143
-143 ÷ 657 = -0.2176560121765601
-0.2176560121765601 x 100 = -21.77%