-59.6% is the change from 151 to 61
Calculation steps:
[( 61 - 151 ) ÷ 151] x 100 = -59.6%
Formula
Percentage change = [(61 - 151) / 151] x 100
Subtract the new number by the original number
61 - 151 = -90
-90 ÷ 151 = -0.5960264900662252
-0.5960264900662252 x 100 = -59.6%