-65.02% is the change from 669 to 234
Calculation steps:
[( 234 - 669 ) ÷ 669] x 100 = -65.02%
Formula
Percentage change = [(234 - 669) / 669] x 100
Subtract the new number by the original number
234 - 669 = -435
-435 ÷ 669 = -0.6502242152466368
-0.6502242152466368 x 100 = -65.02%