-10.86% is the change from 451 to 402
Calculation steps:
[( 402 - 451 ) ÷ 451] x 100 = -10.86%
Formula
Percentage change = [(402 - 451) / 451] x 100
Subtract the new number by the original number
402 - 451 = -49
-49 ÷ 451 = -0.10864745011086474
-0.10864745011086474 x 100 = -10.86%