-82.62% is the change from 627 to 109
Calculation steps:
[( 109 - 627 ) ÷ 627] x 100 = -82.62%
Formula
Percentage change = [(109 - 627) / 627] x 100
Subtract the new number by the original number
109 - 627 = -518
-518 ÷ 627 = -0.8261562998405104
-0.8261562998405104 x 100 = -82.62%