-29.41% is the change from 51 to 36
Calculation steps:
[( 36 - 51 ) ÷ 51] x 100 = -29.41%
Formula
Percentage change = [(36 - 51) / 51] x 100
Subtract the new number by the original number
36 - 51 = -15
-15 ÷ 51 = -0.29411764705882354
-0.29411764705882354 x 100 = -29.41%