145.3% is the change from 117 to 287
Calculation steps:
[( 287 - 117 ) ÷ 117] x 100 = 145.3%
Formula
Percentage change = [(287 - 117) / 117] x 100
Subtract the new number by the original number
287 - 117 = 170
170 ÷ 117 = 1.452991452991453
1.452991452991453 x 100 = 145.3%