-66.12% is the change from 245 to 83
Calculation steps:
[( 83 - 245 ) ÷ 245] x 100 = -66.12%
Formula
Percentage change = [(83 - 245) / 245] x 100
Subtract the new number by the original number
83 - 245 = -162
-162 ÷ 245 = -0.6612244897959184
-0.6612244897959184 x 100 = -66.12%