-60.59% is the change from 510 to 201
Calculation steps:
[( 201 - 510 ) ÷ 510] x 100 = -60.59%
Formula
Percentage change = [(201 - 510) / 510] x 100
Subtract the new number by the original number
201 - 510 = -309
-309 ÷ 510 = -0.6058823529411764
-0.6058823529411764 x 100 = -60.59%