-30.16% is the change from 620 to 433
Calculation steps:
[( 433 - 620 ) ÷ 620] x 100 = -30.16%
Formula
Percentage change = [(433 - 620) / 620] x 100
Subtract the new number by the original number
433 - 620 = -187
-187 ÷ 620 = -0.3016129032258065
-0.3016129032258065 x 100 = -30.16%