-38.56% is the change from 306 to 188
Calculation steps:
[( 188 - 306 ) ÷ 306] x 100 = -38.56%
Formula
Percentage change = [(188 - 306) / 306] x 100
Subtract the new number by the original number
188 - 306 = -118
-118 ÷ 306 = -0.38562091503267976
-0.38562091503267976 x 100 = -38.56%