-60.16% is the change from 251 to 100
Calculation steps:
[( 100 - 251 ) ÷ 251] x 100 = -60.16%
Formula
Percentage change = [(100 - 251) / 251] x 100
Subtract the new number by the original number
100 - 251 = -151
-151 ÷ 251 = -0.601593625498008
-0.601593625498008 x 100 = -60.16%