-70.22% is the change from 507 to 151
Calculation steps:
[( 151 - 507 ) ÷ 507] x 100 = -70.22%
Formula
Percentage change = [(151 - 507) / 507] x 100
Subtract the new number by the original number
151 - 507 = -356
-356 ÷ 507 = -0.7021696252465484
-0.7021696252465484 x 100 = -70.22%