-52.76% is the change from 580 to 274
Calculation steps:
[( 274 - 580 ) ÷ 580] x 100 = -52.76%
Formula
Percentage change = [(274 - 580) / 580] x 100
Subtract the new number by the original number
274 - 580 = -306
-306 ÷ 580 = -0.5275862068965518
-0.5275862068965518 x 100 = -52.76%