-49.8% is the change from 253 to 127
Calculation steps:
[( 127 - 253 ) ÷ 253] x 100 = -49.8%
Formula
Percentage change = [(127 - 253) / 253] x 100
Subtract the new number by the original number
127 - 253 = -126
-126 ÷ 253 = -0.4980237154150198
-0.4980237154150198 x 100 = -49.8%