-77.17% is the change from 530 to 121
Calculation steps:
[( 121 - 530 ) ÷ 530] x 100 = -77.17%
Formula
Percentage change = [(121 - 530) / 530] x 100
Subtract the new number by the original number
121 - 530 = -409
-409 ÷ 530 = -0.7716981132075472
-0.7716981132075472 x 100 = -77.17%