-72.73% is the change from 627 to 171
Calculation steps:
[( 171 - 627 ) ÷ 627] x 100 = -72.73%
Formula
Percentage change = [(171 - 627) / 627] x 100
Subtract the new number by the original number
171 - 627 = -456
-456 ÷ 627 = -0.7272727272727273
-0.7272727272727273 x 100 = -72.73%