-38.24% is the change from 612 to 378
Calculation steps:
[( 378 - 612 ) ÷ 612] x 100 = -38.24%
Formula
Percentage change = [(378 - 612) / 612] x 100
Subtract the new number by the original number
378 - 612 = -234
-234 ÷ 612 = -0.38235294117647056
-0.38235294117647056 x 100 = -38.24%