-65.97% is the change from 623 to 212
Calculation steps:
[( 212 - 623 ) ÷ 623] x 100 = -65.97%
Formula
Percentage change = [(212 - 623) / 623] x 100
Subtract the new number by the original number
212 - 623 = -411
-411 ÷ 623 = -0.6597110754414125
-0.6597110754414125 x 100 = -65.97%