-81.9% is the change from 337 to 61
Calculation steps:
[( 61 - 337 ) ÷ 337] x 100 = -81.9%
Formula
Percentage change = [(61 - 337) / 337] x 100
Subtract the new number by the original number
61 - 337 = -276
-276 ÷ 337 = -0.8189910979228486
-0.8189910979228486 x 100 = -81.9%