-87.24% is the change from 627 to 80
Calculation steps:
[( 80 - 627 ) ÷ 627] x 100 = -87.24%
Formula
Percentage change = [(80 - 627) / 627] x 100
Subtract the new number by the original number
80 - 627 = -547
-547 ÷ 627 = -0.8724082934609251
-0.8724082934609251 x 100 = -87.24%