-51.95% is the change from 77 to 37
Calculation steps:
[( 37 - 77 ) ÷ 77] x 100 = -51.95%
Formula
Percentage change = [(37 - 77) / 77] x 100
Subtract the new number by the original number
37 - 77 = -40
-40 ÷ 77 = -0.5194805194805194
-0.5194805194805194 x 100 = -51.95%