-18.08% is the change from 177 to 145
Calculation steps:
[( 145 - 177 ) ÷ 177] x 100 = -18.08%
Formula
Percentage change = [(145 - 177) / 177] x 100
Subtract the new number by the original number
145 - 177 = -32
-32 ÷ 177 = -0.1807909604519774
-0.1807909604519774 x 100 = -18.08%