-39.29% is the change from 621 to 377
Calculation steps:
[( 377 - 621 ) ÷ 621] x 100 = -39.29%
Formula
Percentage change = [(377 - 621) / 621] x 100
Subtract the new number by the original number
377 - 621 = -244
-244 ÷ 621 = -0.392914653784219
-0.392914653784219 x 100 = -39.29%