-64.66% is the change from 283 to 100
Calculation steps:
[( 100 - 283 ) ÷ 283] x 100 = -64.66%
Formula
Percentage change = [(100 - 283) / 283] x 100
Subtract the new number by the original number
100 - 283 = -183
-183 ÷ 283 = -0.6466431095406361
-0.6466431095406361 x 100 = -64.66%