-66.77% is the change from 641 to 213
Calculation steps:
[( 213 - 641 ) ÷ 641] x 100 = -66.77%
Formula
Percentage change = [(213 - 641) / 641] x 100
Subtract the new number by the original number
213 - 641 = -428
-428 ÷ 641 = -0.6677067082683308
-0.6677067082683308 x 100 = -66.77%