-31.87% is the change from 662 to 451
Calculation steps:
[( 451 - 662 ) ÷ 662] x 100 = -31.87%
Formula
Percentage change = [(451 - 662) / 662] x 100
Subtract the new number by the original number
451 - 662 = -211
-211 ÷ 662 = -0.3187311178247734
-0.3187311178247734 x 100 = -31.87%