-56.57% is the change from 251 to 109
Calculation steps:
[( 109 - 251 ) ÷ 251] x 100 = -56.57%
Formula
Percentage change = [(109 - 251) / 251] x 100
Subtract the new number by the original number
109 - 251 = -142
-142 ÷ 251 = -0.5657370517928287
-0.5657370517928287 x 100 = -56.57%