-43.35% is the change from 609 to 345
Calculation steps:
[( 345 - 609 ) ÷ 609] x 100 = -43.35%
Formula
Percentage change = [(345 - 609) / 609] x 100
Subtract the new number by the original number
345 - 609 = -264
-264 ÷ 609 = -0.43349753694581283
-0.43349753694581283 x 100 = -43.35%