-93.08% is the change from 621 to 43
Calculation steps:
[( 43 - 621 ) ÷ 621] x 100 = -93.08%
Formula
Percentage change = [(43 - 621) / 621] x 100
Subtract the new number by the original number
43 - 621 = -578
-578 ÷ 621 = -0.9307568438003221
-0.9307568438003221 x 100 = -93.08%