-49.59% is the change from 123 to 62
Calculation steps:
[( 62 - 123 ) ÷ 123] x 100 = -49.59%
Formula
Percentage change = [(62 - 123) / 123] x 100
Subtract the new number by the original number
62 - 123 = -61
-61 ÷ 123 = -0.4959349593495935
-0.4959349593495935 x 100 = -49.59%