-72.05% is the change from 644 to 180
Calculation steps:
[( 180 - 644 ) ÷ 644] x 100 = -72.05%
Formula
Percentage change = [(180 - 644) / 644] x 100
Subtract the new number by the original number
180 - 644 = -464
-464 ÷ 644 = -0.7204968944099379
-0.7204968944099379 x 100 = -72.05%