-55.47% is the change from 137 to 61
Calculation steps:
[( 61 - 137 ) ÷ 137] x 100 = -55.47%
Formula
Percentage change = [(61 - 137) / 137] x 100
Subtract the new number by the original number
61 - 137 = -76
-76 ÷ 137 = -0.5547445255474452
-0.5547445255474452 x 100 = -55.47%