-33.77% is the change from 462 to 306
Calculation steps:
[( 306 - 462 ) ÷ 462] x 100 = -33.77%
Formula
Percentage change = [(306 - 462) / 462] x 100
Subtract the new number by the original number
306 - 462 = -156
-156 ÷ 462 = -0.33766233766233766
-0.33766233766233766 x 100 = -33.77%