187.85% is the change from 181 to 521
Calculation steps:
[( 521 - 181 ) ÷ 181] x 100 = 187.85%
Formula
Percentage change = [(521 - 181) / 181] x 100
Subtract the new number by the original number
521 - 181 = 340
340 ÷ 181 = 1.8784530386740332
1.8784530386740332 x 100 = 187.85%