-18.62% is the change from 376 to 306
Calculation steps:
[( 306 - 376 ) ÷ 376] x 100 = -18.62%
Formula
Percentage change = [(306 - 376) / 376] x 100
Subtract the new number by the original number
306 - 376 = -70
-70 ÷ 376 = -0.18617021276595744
-0.18617021276595744 x 100 = -18.62%