-33.11% is the change from 151 to 101
Calculation steps:
[( 101 - 151 ) ÷ 151] x 100 = -33.11%
Formula
Percentage change = [(101 - 151) / 151] x 100
Subtract the new number by the original number
101 - 151 = -50
-50 ÷ 151 = -0.33112582781456956
-0.33112582781456956 x 100 = -33.11%