31.82% is the change from 286 to 377
Calculation steps:
[( 377 - 286 ) ÷ 286] x 100 = 31.82%
Formula
Percentage change = [(377 - 286) / 286] x 100
Subtract the new number by the original number
377 - 286 = 91
91 ÷ 286 = 0.3181818181818182
0.3181818181818182 x 100 = 31.82%