-95.26% is the change from 274 to 13
Calculation steps:
[( 13 - 274 ) ÷ 274] x 100 = -95.26%
Formula
Percentage change = [(13 - 274) / 274] x 100
Subtract the new number by the original number
13 - 274 = -261
-261 ÷ 274 = -0.9525547445255474
-0.9525547445255474 x 100 = -95.26%