-54.13% is the change from 606 to 278
Calculation steps:
[( 278 - 606 ) ÷ 606] x 100 = -54.13%
Formula
Percentage change = [(278 - 606) / 606] x 100
Subtract the new number by the original number
278 - 606 = -328
-328 ÷ 606 = -0.5412541254125413
-0.5412541254125413 x 100 = -54.13%