-67.8% is the change from 177 to 57
Calculation steps:
[( 57 - 177 ) ÷ 177] x 100 = -67.8%
Formula
Percentage change = [(57 - 177) / 177] x 100
Subtract the new number by the original number
57 - 177 = -120
-120 ÷ 177 = -0.6779661016949152
-0.6779661016949152 x 100 = -67.8%