-95.89% is the change from 657 to 27
Calculation steps:
[( 27 - 657 ) ÷ 657] x 100 = -95.89%
Formula
Percentage change = [(27 - 657) / 657] x 100
Subtract the new number by the original number
27 - 657 = -630
-630 ÷ 657 = -0.958904109589041
-0.958904109589041 x 100 = -95.89%