-30.97% is the change from 662 to 457
Calculation steps:
[( 457 - 662 ) ÷ 662] x 100 = -30.97%
Formula
Percentage change = [(457 - 662) / 662] x 100
Subtract the new number by the original number
457 - 662 = -205
-205 ÷ 662 = -0.30966767371601206
-0.30966767371601206 x 100 = -30.97%