-45.12% is the change from 492 to 270
Calculation steps:
[( 270 - 492 ) ÷ 492] x 100 = -45.12%
Formula
Percentage change = [(270 - 492) / 492] x 100
Subtract the new number by the original number
270 - 492 = -222
-222 ÷ 492 = -0.45121951219512196
-0.45121951219512196 x 100 = -45.12%