-49.57% is the change from 351 to 177
Calculation steps:
[( 177 - 351 ) ÷ 351] x 100 = -49.57%
Formula
Percentage change = [(177 - 351) / 351] x 100
Subtract the new number by the original number
177 - 351 = -174
-174 ÷ 351 = -0.49572649572649574
-0.49572649572649574 x 100 = -49.57%