-69.66% is the change from 623 to 189
Calculation steps:
[( 189 - 623 ) ÷ 623] x 100 = -69.66%
Formula
Percentage change = [(189 - 623) / 623] x 100
Subtract the new number by the original number
189 - 623 = -434
-434 ÷ 623 = -0.6966292134831461
-0.6966292134831461 x 100 = -69.66%