-71.51% is the change from 530 to 151
Calculation steps:
[( 151 - 530 ) ÷ 530] x 100 = -71.51%
Formula
Percentage change = [(151 - 530) / 530] x 100
Subtract the new number by the original number
151 - 530 = -379
-379 ÷ 530 = -0.7150943396226415
-0.7150943396226415 x 100 = -71.51%