-32.68% is the change from 456 to 307
Calculation steps:
[( 307 - 456 ) ÷ 456] x 100 = -32.68%
Formula
Percentage change = [(307 - 456) / 456] x 100
Subtract the new number by the original number
307 - 456 = -149
-149 ÷ 456 = -0.3267543859649123
-0.3267543859649123 x 100 = -32.68%