-31.12% is the change from 662 to 456
Calculation steps:
[( 456 - 662 ) ÷ 662] x 100 = -31.12%
Formula
Percentage change = [(456 - 662) / 662] x 100
Subtract the new number by the original number
456 - 662 = -206
-206 ÷ 662 = -0.311178247734139
-0.311178247734139 x 100 = -31.12%