-69.5% is the change from 623 to 190
Calculation steps:
[( 190 - 623 ) ÷ 623] x 100 = -69.5%
Formula
Percentage change = [(190 - 623) / 623] x 100
Subtract the new number by the original number
190 - 623 = -433
-433 ÷ 623 = -0.695024077046549
-0.695024077046549 x 100 = -69.5%