-75.43% is the change from 407 to 100
Calculation steps:
[( 100 - 407 ) ÷ 407] x 100 = -75.43%
Formula
Percentage change = [(100 - 407) / 407] x 100
Subtract the new number by the original number
100 - 407 = -307
-307 ÷ 407 = -0.7542997542997543
-0.7542997542997543 x 100 = -75.43%