-95.48% is the change from 641 to 29
Calculation steps:
[( 29 - 641 ) ÷ 641] x 100 = -95.48%
Formula
Percentage change = [(29 - 641) / 641] x 100
Subtract the new number by the original number
29 - 641 = -612
-612 ÷ 641 = -0.9547581903276131
-0.9547581903276131 x 100 = -95.48%