-39.18% is the change from 291 to 177
Calculation steps:
[( 177 - 291 ) ÷ 291] x 100 = -39.18%
Formula
Percentage change = [(177 - 291) / 291] x 100
Subtract the new number by the original number
177 - 291 = -114
-114 ÷ 291 = -0.3917525773195876
-0.3917525773195876 x 100 = -39.18%