-71.75% is the change from 669 to 189
Calculation steps:
[( 189 - 669 ) ÷ 669] x 100 = -71.75%
Formula
Percentage change = [(189 - 669) / 669] x 100
Subtract the new number by the original number
189 - 669 = -480
-480 ÷ 669 = -0.7174887892376681
-0.7174887892376681 x 100 = -71.75%