-59.1% is the change from 621 to 254
Calculation steps:
[( 254 - 621 ) ÷ 621] x 100 = -59.1%
Formula
Percentage change = [(254 - 621) / 621] x 100
Subtract the new number by the original number
254 - 621 = -367
-367 ÷ 621 = -0.5909822866344605
-0.5909822866344605 x 100 = -59.1%