-30.14% is the change from 627 to 438
Calculation steps:
[( 438 - 627 ) ÷ 627] x 100 = -30.14%
Formula
Percentage change = [(438 - 627) / 627] x 100
Subtract the new number by the original number
438 - 627 = -189
-189 ÷ 627 = -0.3014354066985646
-0.3014354066985646 x 100 = -30.14%