-8.29% is the change from 422 to 387
Calculation steps:
[( 387 - 422 ) ÷ 422] x 100 = -8.29%
Formula
Percentage change = [(387 - 422) / 422] x 100
Subtract the new number by the original number
387 - 422 = -35
-35 ÷ 422 = -0.08293838862559241
-0.08293838862559241 x 100 = -8.29%