-29.48% is the change from 251 to 177
Calculation steps:
[( 177 - 251 ) ÷ 251] x 100 = -29.48%
Formula
Percentage change = [(177 - 251) / 251] x 100
Subtract the new number by the original number
177 - 251 = -74
-74 ÷ 251 = -0.2948207171314741
-0.2948207171314741 x 100 = -29.48%