-45.34% is the change from 494 to 270
Calculation steps:
[( 270 - 494 ) ÷ 494] x 100 = -45.34%
Formula
Percentage change = [(270 - 494) / 494] x 100
Subtract the new number by the original number
270 - 494 = -224
-224 ÷ 494 = -0.4534412955465587
-0.4534412955465587 x 100 = -45.34%