-52.57% is the change from 662 to 314
Calculation steps:
[( 314 - 662 ) ÷ 662] x 100 = -52.57%
Formula
Percentage change = [(314 - 662) / 662] x 100
Subtract the new number by the original number
314 - 662 = -348
-348 ÷ 662 = -0.525679758308157
-0.525679758308157 x 100 = -52.57%