-57.59% is the change from 257 to 109
Calculation steps:
[( 109 - 257 ) ÷ 257] x 100 = -57.59%
Formula
Percentage change = [(109 - 257) / 257] x 100
Subtract the new number by the original number
109 - 257 = -148
-148 ÷ 257 = -0.5758754863813229
-0.5758754863813229 x 100 = -57.59%