-29.74% is the change from 538 to 378
Calculation steps:
[( 378 - 538 ) ÷ 538] x 100 = -29.74%
Formula
Percentage change = [(378 - 538) / 538] x 100
Subtract the new number by the original number
378 - 538 = -160
-160 ÷ 538 = -0.29739776951672864
-0.29739776951672864 x 100 = -29.74%