-57.57% is the change from 641 to 272
Calculation steps:
[( 272 - 641 ) ÷ 641] x 100 = -57.57%
Formula
Percentage change = [(272 - 641) / 641] x 100
Subtract the new number by the original number
272 - 641 = -369
-369 ÷ 641 = -0.5756630265210608
-0.5756630265210608 x 100 = -57.57%