-67% is the change from 303 to 100
Calculation steps:
[( 100 - 303 ) ÷ 303] x 100 = -67%
Formula
Percentage change = [(100 - 303) / 303] x 100
Subtract the new number by the original number
100 - 303 = -203
-203 ÷ 303 = -0.66996699669967
-0.66996699669967 x 100 = -67%