-63.67% is the change from 490 to 178
Calculation steps:
[( 178 - 490 ) ÷ 490] x 100 = -63.67%
Formula
Percentage change = [(178 - 490) / 490] x 100
Subtract the new number by the original number
178 - 490 = -312
-312 ÷ 490 = -0.636734693877551
-0.636734693877551 x 100 = -63.67%