-18.76% is the change from 501 to 407
Calculation steps:
[( 407 - 501 ) ÷ 501] x 100 = -18.76%
Formula
Percentage change = [(407 - 501) / 501] x 100
Subtract the new number by the original number
407 - 501 = -94
-94 ÷ 501 = -0.18762475049900199
-0.18762475049900199 x 100 = -18.76%