284.96% is the change from 133 to 512
Calculation steps:
[( 512 - 133 ) ÷ 133] x 100 = 284.96%
Formula
Percentage change = [(512 - 133) / 133] x 100
Subtract the new number by the original number
512 - 133 = 379
379 ÷ 133 = 2.8496240601503757
2.8496240601503757 x 100 = 284.96%