-53.29% is the change from 578 to 270
Calculation steps:
[( 270 - 578 ) ÷ 578] x 100 = -53.29%
Formula
Percentage change = [(270 - 578) / 578] x 100
Subtract the new number by the original number
270 - 578 = -308
-308 ÷ 578 = -0.532871972318339
-0.532871972318339 x 100 = -53.29%