-71.08% is the change from 612 to 177
Calculation steps:
[( 177 - 612 ) ÷ 612] x 100 = -71.08%
Formula
Percentage change = [(177 - 612) / 612] x 100
Subtract the new number by the original number
177 - 612 = -435
-435 ÷ 612 = -0.7107843137254902
-0.7107843137254902 x 100 = -71.08%