-68.6% is the change from 621 to 195
Calculation steps:
[( 195 - 621 ) ÷ 621] x 100 = -68.6%
Formula
Percentage change = [(195 - 621) / 621] x 100
Subtract the new number by the original number
195 - 621 = -426
-426 ÷ 621 = -0.6859903381642513
-0.6859903381642513 x 100 = -68.6%