-70.95% is the change from 623 to 181
Calculation steps:
[( 181 - 623 ) ÷ 623] x 100 = -70.95%
Formula
Percentage change = [(181 - 623) / 623] x 100
Subtract the new number by the original number
181 - 623 = -442
-442 ÷ 623 = -0.709470304975923
-0.709470304975923 x 100 = -70.95%