-53.2% is the change from 641 to 300
Calculation steps:
[( 300 - 641 ) ÷ 641] x 100 = -53.2%
Formula
Percentage change = [(300 - 641) / 641] x 100
Subtract the new number by the original number
300 - 641 = -341
-341 ÷ 641 = -0.53198127925117
-0.53198127925117 x 100 = -53.2%