-52.27% is the change from 662 to 316
Calculation steps:
[( 316 - 662 ) ÷ 662] x 100 = -52.27%
Formula
Percentage change = [(316 - 662) / 662] x 100
Subtract the new number by the original number
316 - 662 = -346
-346 ÷ 662 = -0.5226586102719033
-0.5226586102719033 x 100 = -52.27%