-70.85% is the change from 621 to 181
Calculation steps:
[( 181 - 621 ) ÷ 621] x 100 = -70.85%
Formula
Percentage change = [(181 - 621) / 621] x 100
Subtract the new number by the original number
181 - 621 = -440
-440 ÷ 621 = -0.7085346215780999
-0.7085346215780999 x 100 = -70.85%