-40.27% is the change from 452 to 270
Calculation steps:
[( 270 - 452 ) ÷ 452] x 100 = -40.27%
Formula
Percentage change = [(270 - 452) / 452] x 100
Subtract the new number by the original number
270 - 452 = -182
-182 ÷ 452 = -0.4026548672566372
-0.4026548672566372 x 100 = -40.27%