-65.86% is the change from 621 to 212
Calculation steps:
[( 212 - 621 ) ÷ 621] x 100 = -65.86%
Formula
Percentage change = [(212 - 621) / 621] x 100
Subtract the new number by the original number
212 - 621 = -409
-409 ÷ 621 = -0.6586151368760065
-0.6586151368760065 x 100 = -65.86%