-15.25% is the change from 177 to 150
Calculation steps:
[( 150 - 177 ) ÷ 177] x 100 = -15.25%
Formula
Percentage change = [(150 - 177) / 177] x 100
Subtract the new number by the original number
150 - 177 = -27
-27 ÷ 177 = -0.15254237288135594
-0.15254237288135594 x 100 = -15.25%