-35.98% is the change from 492 to 315
Calculation steps:
[( 315 - 492 ) ÷ 492] x 100 = -35.98%
Formula
Percentage change = [(315 - 492) / 492] x 100
Subtract the new number by the original number
315 - 492 = -177
-177 ÷ 492 = -0.3597560975609756
-0.3597560975609756 x 100 = -35.98%