-90.95% is the change from 641 to 58
Calculation steps:
[( 58 - 641 ) ÷ 641] x 100 = -90.95%
Formula
Percentage change = [(58 - 641) / 641] x 100
Subtract the new number by the original number
58 - 641 = -583
-583 ÷ 641 = -0.9095163806552262
-0.9095163806552262 x 100 = -90.95%