-27.63% is the change from 76 to 55
Calculation steps:
[( 55 - 76 ) ÷ 76] x 100 = -27.63%
Formula
Percentage change = [(55 - 76) / 76] x 100
Subtract the new number by the original number
55 - 76 = -21
-21 ÷ 76 = -0.27631578947368424
-0.27631578947368424 x 100 = -27.63%