-34.44% is the change from 662 to 434
Calculation steps:
[( 434 - 662 ) ÷ 662] x 100 = -34.44%
Formula
Percentage change = [(434 - 662) / 662] x 100
Subtract the new number by the original number
434 - 662 = -228
-228 ÷ 662 = -0.34441087613293053
-0.34441087613293053 x 100 = -34.44%