-37.91% is the change from 277 to 172
Calculation steps:
[( 172 - 277 ) ÷ 277] x 100 = -37.91%
Formula
Percentage change = [(172 - 277) / 277] x 100
Subtract the new number by the original number
172 - 277 = -105
-105 ÷ 277 = -0.37906137184115524
-0.37906137184115524 x 100 = -37.91%