-37.98% is the change from 287 to 178
Calculation steps:
[( 178 - 287 ) ÷ 287] x 100 = -37.98%
Formula
Percentage change = [(178 - 287) / 287] x 100
Subtract the new number by the original number
178 - 287 = -109
-109 ÷ 287 = -0.3797909407665505
-0.3797909407665505 x 100 = -37.98%