-75.36% is the change from 621 to 153
Calculation steps:
[( 153 - 621 ) ÷ 621] x 100 = -75.36%
Formula
Percentage change = [(153 - 621) / 621] x 100
Subtract the new number by the original number
153 - 621 = -468
-468 ÷ 621 = -0.7536231884057971
-0.7536231884057971 x 100 = -75.36%