-54.01% is the change from 661 to 304
Calculation steps:
[( 304 - 661 ) ÷ 661] x 100 = -54.01%
Formula
Percentage change = [(304 - 661) / 661] x 100
Subtract the new number by the original number
304 - 661 = -357
-357 ÷ 661 = -0.540090771558245
-0.540090771558245 x 100 = -54.01%